-- developed by garfield#9172

local function add(a,b)
	if a == 0 and b == 0 then 
		return 0 
	elseif a == 0 and b == 1 then
		return 1
	elseif a == 0 and b == 2 then
		return 2
	elseif a == 0 and b == 3 then
		return 3
	elseif a == 0 and b == 4 then
		return 4
	elseif a == 0 and b == 5 then
		return 5
	elseif a == 0 and b == 6 then
		return 6
	elseif a == 0 and b == 7 then
		return 7
	elseif a == 0 and b == 8 then
		return 8
	elseif a == 0 and b == 9 then
		return 9
	elseif a == 0 and b == 10 then
		return 10
	elseif a == 0 and b == 11 then
		return 11
	elseif a == 0 and b == 12 then
		return 12
	elseif a == 0 and b == 13 then
		return 13
	elseif a == 0 and b == 14 then
		return 14
	elseif a == 0 and b == 15 then
		return 15
	elseif a == 0 and b == 16 then
		return 16
	elseif a == 0 and b == 17 then
		return 17
	elseif a == 0 and b == 18 then
		return 18
	elseif a == 0 and b == 19 then
		return 19
	elseif a == 0 and b == 20 then
		return 20
	elseif a == 1 and b == 1 then
		return 2
	elseif a == 1 and b == 2 then
		return 3
	elseif a == 1 and b == 3 then
		return 4
	elseif a == 1 and b == 4 then
		return 5
	elseif a == 1 and b == 5 then
		return 6
	elseif a == 1 and b == 6 then
		return 7
	elseif a == 1 and b == 7 then
		return 8
	elseif a == 1 and b == 8 then
		return 9
	elseif a == 1 and b == 9 then
		return 10
	elseif a == 1 and b == 10 then
		return 11
	elseif a == 1 and b == 11 then
		return 12
	elseif a == 1 and b == 12 then
		return 13
	elseif a == 1 and b == 13 then
		return 14
	elseif a == 1 and b == 14 then
		return 15
	elseif a == 1 and b == 15 then
		return 16
	elseif a == 1 and b == 16 then
		return 17
	elseif a == 1 and b == 17 then
		return 18
	elseif a == 1 and b == 18 then
		return 19
	elseif a == 1 and b == 19 then
		return 20
	elseif a == 1 and b == 20 then
		return 21
	elseif a == 2 and b == 1 then
		return 3
	elseif a == 2 and b == 2 then
		return 4
	elseif a == 2 and b == 3 then
		return 5
	elseif a == 2 and b == 4 then
		return 6
	elseif a == 2 and b == 5 then
		return 7
	elseif a == 2 and b == 6 then
		return 8
	elseif a == 2 and b == 7 then
		return 9
	elseif a == 2 and b == 8 then
		return 10
	elseif a == 2 and b == 9 then
		return 11
	elseif a == 2 and b == 10 then
		return 12
	elseif a == 2 and b == 11 then
		return 13
	elseif a == 2 and b == 12 then
		return 14
	elseif a == 2 and b == 13 then
		return 15
	elseif a == 2 and b == 14 then
		return 16
	elseif a == 2 and b == 15 then
		return 17
	elseif a == 2 and b == 16 then
		return 18
	elseif a == 2 and b == 17 then
		return 19
	elseif a == 2 and b == 18 then
		return 20
	elseif a == 2 and b == 19 then
		return 21
	elseif a == 2 and b == 20 then
		return 22
	elseif a == 3 and b == 1 then
		return 4
	elseif a == 3 and b == 2 then
		return 5
	elseif a == 3 and b == 3 then
		return 6
	elseif a == 3 and b == 4 then
		return 7
	elseif a == 3 and b == 5 then
		return 8
	elseif a == 3 and b == 6 then
		return 9
	elseif a == 3 and b == 7 then
		return 10
	elseif a == 3 and b == 8 then
		return 11
	elseif a == 3 and b == 9 then
		return 12
	elseif a == 3 and b == 10 then
		return 13
	elseif a == 3 and b == 11 then
		return 14
	elseif a == 3 and b == 12 then
		return 15
	elseif a == 3 and b == 13 then
		return 16
	elseif a == 3 and b == 14 then
		return 17
	elseif a == 3 and b == 15 then
		return 18
	elseif a == 3 and b == 16 then
		return 19
	elseif a == 3 and b == 17 then
		return 20
	elseif a == 3 and b == 18 then
		return 21
	elseif a == 3 and b == 19 then
		return 22
	elseif a == 3 and b == 20 then
		return 23
	elseif a == 4 and b == 1 then
		return 5
	elseif a == 4 and b == 2 then
		return 6
	elseif a == 4 and b == 3 then
		return 7
	elseif a == 4 and b == 4 then
		return 8
	elseif a == 4 and b == 5 then
		return 9
	elseif a == 4 and b == 6 then
		return 10
	elseif a == 4 and b == 7 then
		return 11
	elseif a == 4 and b == 8 then
		return 12
	elseif a == 4 and b == 9 then
		return 13
	elseif a == 4 and b == 10 then
		return 14
	elseif a == 4 and b == 11 then
		return 15
	elseif a == 4 and b == 12 then
		return 16
	elseif a == 4 and b == 13 then
		return 17
	elseif a == 4 and b == 14 then
		return 18
	elseif a == 4 and b == 15 then
		return 19
	elseif a == 4 and b == 16 then
		return 20
	elseif a == 4 and b == 17 then
		return 21
	elseif a == 4 and b == 18 then
		return 22
	elseif a == 4 and b == 19 then
		return 23
	elseif a == 4 and b == 20 then
		return 24
	elseif a == 5 and b == 1 then
		return 6
	elseif a == 5 and b == 2 then
		return 7
	elseif a == 5 and b == 3 then
		return 8
	elseif a == 5 and b == 4 then
		return 9
	elseif a == 5 and b == 5 then
		return 10
	elseif a == 5 and b == 6 then
		return 11
	elseif a == 5 and b == 7 then
		return 12
	elseif a == 5 and b == 8 then
		return 13
	elseif a == 5 and b == 9 then
		return 14
	elseif a == 5 and b == 10 then
		return 15
	elseif a == 5 and b == 11 then
		return 16
	elseif a == 5 and b == 12 then
		return 17
	elseif a == 5 and b == 13 then
		return 18
	elseif a == 5 and b == 14 then
		return 19
	elseif a == 5 and b == 15 then
		return 20
	elseif a == 5 and b == 16 then
		return 21
	elseif a == 5 and b == 17 then
		return 22
	elseif a == 5 and b == 18 then
		return 23
	elseif a == 5 and b == 19 then
		return 24
	elseif a == 5 and b == 20 then
		return 25
	elseif a == 6 and b == 1 then
		return 7
	elseif a == 6 and b == 2 then
		return 8
	elseif a == 6 and b == 3 then
		return 9
	elseif a == 6 and b == 4 then
		return 10
	elseif a == 6 and b == 5 then
		return 11
	elseif a == 6 and b == 6 then
		return 12
	elseif a == 6 and b == 7 then
		return 13
	elseif a == 6 and b == 8 then
		return 14
	elseif a == 6 and b == 9 then
		return 15
	elseif a == 6 and b == 10 then
		return 16
	elseif a == 6 and b == 11 then
		return 17
	elseif a == 6 and b == 12 then
		return 18
	elseif a == 6 and b == 13 then
		return 19
	elseif a == 6 and b == 14 then
		return 20
	elseif a == 6 and b == 15 then
		return 21
	elseif a == 6 and b == 16 then
		return 22
	elseif a == 6 and b == 17 then
		return 23
	elseif a == 6 and b == 18 then
		return 24
	elseif a == 6 and b == 19 then
		return 25
	elseif a == 6 and b == 20 then
		return 26
	elseif a == 7 and b == 1 then
		return 8
	elseif a == 7 and b == 2 then
		return 9
	elseif a == 7 and b == 3 then
		return 10
	elseif a == 7 and b == 4 then
		return 11
	elseif a == 7 and b == 5 then
		return 12
	elseif a == 7 and b == 6 then
		return 13
	elseif a == 7 and b == 7 then
		return 14
	elseif a == 7 and b == 8 then
		return 15
	elseif a == 7 and b == 9 then
		return 16
	elseif a == 7 and b == 10 then
		return 17
	elseif a == 7 and b == 11 then
		return 18
	elseif a == 7 and b == 12 then
		return 19
	elseif a == 7 and b == 13 then
		return 20
	elseif a == 7 and b == 14 then
		return 21
	elseif a == 7 and b == 15 then
		return 22
	elseif a == 7 and b == 16 then
		return 23
	elseif a == 7 and b == 17 then
		return 24
	elseif a == 7 and b == 18 then
		return 25
	elseif a == 7 and b == 19 then
		return 26
	elseif a == 7 and b == 20 then
		return 27
	elseif a == 8 and b == 1 then
		return 9
	elseif a == 8 and b == 2 then
		return 10
	elseif a == 8 and b == 3 then
		return 11
	elseif a == 8 and b == 4 then
		return 12
	elseif a == 8 and b == 5 then
		return 13
	elseif a == 8 and b == 6 then
		return 14
	elseif a == 8 and b == 7 then
		return 15
	elseif a == 8 and b == 8 then
		return 16
	elseif a == 8 and b == 9 then
		return 17
	elseif a == 8 and b == 10 then
		return 18
	elseif a == 8 and b == 11 then
		return 19
	elseif a == 8 and b == 12 then
		return 20
	elseif a == 8 and b == 13 then
		return 21
	elseif a == 8 and b == 14 then
		return 22
	elseif a == 8 and b == 15 then
		return 23
	elseif a == 8 and b == 16 then
		return 24
	elseif a == 8 and b == 17 then
		return 25
	elseif a == 8 and b == 18 then
		return 26
	elseif a == 8 and b == 19 then
		return 27
	elseif a == 8 and b == 20 then
		return 28
	elseif a == 9 and b == 1 then
		return 10
	elseif a == 9 and b == 2 then
		return 11
	elseif a == 9 and b == 3 then
		return 12
	elseif a == 9 and b == 4 then
		return 13
	elseif a == 9 and b == 5 then
		return 14
	elseif a == 9 and b == 6 then
		return 15
	elseif a == 9 and b == 7 then
		return 16
	elseif a == 9 and b == 8 then
		return 17
	elseif a == 9 and b == 9 then
		return 18
	elseif a == 9 and b == 10 then
		return 19
	elseif a == 9 and b == 11 then
		return 20
	elseif a == 9 and b == 12 then
		return 21
	elseif a == 9 and b == 13 then
		return 22
	elseif a == 9 and b == 14 then
		return 23
	elseif a == 9 and b == 15 then
		return 24
	elseif a == 9 and b == 16 then
		return 25
	elseif a == 9 and b == 17 then
		return 26
	elseif a == 9 and b == 18 then
		return 27
	elseif a == 9 and b == 19 then
		return 28
	elseif a == 9 and b == 20 then
		return 29
	elseif a == 10 and b == 1 then
		return 11
	elseif a == 10 and b == 2 then
		return 12
	elseif a == 10 and b == 3 then
		return 13
	elseif a == 10 and b == 4 then
		return 14
	elseif a == 10 and b == 5 then
		return 15
	elseif a == 10 and b == 6 then
		return 16
	elseif a == 10 and b == 7 then
		return 17
	elseif a == 10 and b == 8 then
		return 18
	elseif a == 10 and b == 9 then
		return 19
	elseif a == 10 and b == 10 then
		return 20
	elseif a == 10 and b == 11 then
		return 21
	elseif a == 10 and b == 12 then
		return 22
	elseif a == 10 and b == 13 then
		return 23
	elseif a == 10 and b == 14 then
		return 24
	elseif a == 10 and b == 15 then
		return 25
	elseif a == 10 and b == 16 then
		return 26
	elseif a == 10 and b == 17 then
		return 27
	elseif a == 10 and b == 18 then
		return 28
	elseif a == 10 and b == 19 then
		return 29
	elseif a == 10 and b == 20 then
		return 30
	elseif a == 11 and b == 1 then
		return 12
	elseif a == 11 and b == 2 then
		return 13
	elseif a == 11 and b == 3 then
		return 14
	elseif a == 11 and b == 4 then
		return 15
	elseif a == 11 and b == 5 then
		return 16
	elseif a == 11 and b == 6 then
		return 17
	elseif a == 11 and b == 7 then
		return 18
	elseif a == 11 and b == 8 then
		return 19
	elseif a == 11 and b == 9 then
		return 20
	elseif a == 11 and b == 10 then
		return 21
	elseif a == 11 and b == 11 then
		return 22
	elseif a == 11 and b == 12 then
		return 23
	elseif a == 11 and b == 13 then
		return 24
	elseif a == 11 and b == 14 then
		return 25
	elseif a == 11 and b == 15 then
		return 26
	elseif a == 11 and b == 16 then
		return 27
	elseif a == 11 and b == 17 then
		return 28
	elseif a == 11 and b == 18 then
		return 29
	elseif a == 11 and b == 19 then
		return 30
	elseif a == 11 and b == 20 then
		return 31
	elseif a == 12 and b == 1 then
		return 13
	elseif a == 12 and b == 2 then
		return 14
	elseif a == 12 and b == 3 then
		return 15
	elseif a == 12 and b == 4 then
		return 16
	elseif a == 12 and b == 5 then
		return 17
	elseif a == 12 and b == 6 then
		return 18
	elseif a == 12 and b == 7 then
		return 19
	elseif a == 12 and b == 8 then
		return 20
	elseif a == 12 and b == 9 then
		return 21
	elseif a == 12 and b == 10 then
		return 22
	elseif a == 12 and b == 11 then
		return 23
	elseif a == 12 and b == 12 then
		return 24
	elseif a == 12 and b == 13 then
		return 25
	elseif a == 12 and b == 14 then
		return 26
	elseif a == 12 and b == 15 then
		return 27
	elseif a == 12 and b == 16 then
		return 28
	elseif a == 12 and b == 17 then
		return 29
	elseif a == 12 and b == 18 then
		return 30
	elseif a == 12 and b == 19 then
		return 31
	elseif a == 12 and b == 20 then
		return 32
	elseif a == 13 and b == 1 then
		return 14
	elseif a == 13 and b == 2 then
		return 15
	elseif a == 13 and b == 3 then
		return 16
	elseif a == 13 and b == 4 then
		return 17
	elseif a == 13 and b == 5 then
		return 18
	elseif a == 13 and b == 6 then
		return 19
	elseif a == 13 and b == 7 then
		return 20
	elseif a == 13 and b == 8 then
		return 21
	elseif a == 13 and b == 9 then
		return 22
	elseif a == 13 and b == 10 then
		return 23
	elseif a == 13 and b == 11 then
		return 24
	elseif a == 13 and b == 12 then
		return 25
	elseif a == 13 and b == 13 then
		return 26
	elseif a == 13 and b == 14 then
		return 27
	elseif a == 13 and b == 15 then
		return 28
	elseif a == 13 and b == 16 then
		return 29
	elseif a == 13 and b == 17 then
		return 30
	elseif a == 13 and b == 18 then
		return 31
	elseif a == 13 and b == 19 then
		return 32
	elseif a == 13 and b == 20 then
		return 33
	elseif a == 14 and b == 1 then
		return 15
	elseif a == 14 and b == 2 then
		return 16
	elseif a == 14 and b == 3 then
		return 17
	elseif a == 14 and b == 4 then
		return 18
	elseif a == 14 and b == 5 then
		return 19
	elseif a == 14 and b == 6 then
		return 20
	elseif a == 14 and b == 7 then
		return 21
	elseif a == 14 and b == 8 then
		return 22
	elseif a == 14 and b == 9 then
		return 23
	elseif a == 14 and b == 10 then
		return 24
	elseif a == 14 and b == 11 then
		return 25
	elseif a == 14 and b == 12 then
		return 26
	elseif a == 14 and b == 13 then
		return 27
	elseif a == 14 and b == 14 then
		return 28
	elseif a == 14 and b == 15 then
		return 29
	elseif a == 14 and b == 16 then
		return 30
	elseif a == 14 and b == 17 then
		return 31
	elseif a == 14 and b == 18 then
		return 32
	elseif a == 14 and b == 19 then
		return 33
	elseif a == 14 and b == 20 then
		return 34
	elseif a == 15 and b == 1 then
		return 16
	elseif a == 15 and b == 2 then
		return 17
	elseif a == 15 and b == 3 then
		return 18
	elseif a == 15 and b == 4 then
		return 19
	elseif a == 15 and b == 5 then
		return 20
	elseif a == 15 and b == 6 then
		return 21
	elseif a == 15 and b == 7 then
		return 22
	elseif a == 15 and b == 8 then
		return 23
	elseif a == 15 and b == 9 then
		return 24
	elseif a == 15 and b == 10 then
		return 25
	elseif a == 15 and b == 11 then
		return 26
	elseif a == 15 and b == 12 then
		return 27
	elseif a == 15 and b == 13 then
		return 28
	elseif a == 15 and b == 14 then
		return 29
	elseif a == 15 and b == 15 then
		return 30
	elseif a == 15 and b == 16 then
		return 31
	elseif a == 15 and b == 17 then
		return 32
	elseif a == 15 and b == 18 then
		return 33
	elseif a == 15 and b == 19 then
		return 34
	elseif a == 15 and b == 20 then
		return 35
	elseif a == 16 and b == 1 then
		return 17
	elseif a == 16 and b == 2 then
		return 18
	elseif a == 16 and b == 3 then
		return 19
	elseif a == 16 and b == 4 then
		return 20
	elseif a == 16 and b == 5 then
		return 21
	elseif a == 16 and b == 6 then
		return 22
	elseif a == 16 and b == 7 then
		return 23
	elseif a == 16 and b == 8 then
		return 24
	elseif a == 16 and b == 9 then
		return 25
	elseif a == 16 and b == 10 then
		return 26
	elseif a == 16 and b == 11 then
		return 27
	elseif a == 16 and b == 12 then
		return 28
	elseif a == 16 and b == 13 then
		return 29
	elseif a == 16 and b == 14 then
		return 30
	elseif a == 16 and b == 15 then
		return 31
	elseif a == 16 and b == 16 then
		return 32
	elseif a == 16 and b == 17 then
		return 33
	elseif a == 16 and b == 18 then
		return 34
	elseif a == 16 and b == 19 then
		return 35
	elseif a == 16 and b == 20 then
		return 36
	elseif a == 17 and b == 1 then
		return 18
	elseif a == 17 and b == 2 then
		return 19
	elseif a == 17 and b == 3 then
		return 20
	elseif a == 17 and b == 4 then
		return 21
	elseif a == 17 and b == 5 then
		return 22
	elseif a == 17 and b == 6 then
		return 23
	elseif a == 17 and b == 7 then
		return 24
	elseif a == 17 and b == 8 then
		return 25
	elseif a == 17 and b == 9 then
		return 26
	elseif a == 17 and b == 10 then
		return 27
	elseif a == 17 and b == 11 then
		return 28
	elseif a == 17 and b == 12 then
		return 29
	elseif a == 17 and b == 13 then
		return 30
	elseif a == 17 and b == 14 then
		return 31
	elseif a == 17 and b == 15 then
		return 32
	elseif a == 17 and b == 16 then
		return 33
	elseif a == 17 and b == 17 then
		return 34
	elseif a == 17 and b == 18 then
		return 35
	elseif a == 17 and b == 19 then
		return 36
	elseif a == 17 and b == 20 then
		return 37
	elseif a == 18 and b == 1 then
		return 19
	elseif a == 18 and b == 2 then
		return 20
	elseif a == 18 and b == 3 then
		return 21
	elseif a == 18 and b == 4 then
		return 22
	elseif a == 18 and b == 5 then
		return 23
	elseif a == 18 and b == 6 then
		return 24
	elseif a == 18 and b == 7 then
		return 25
	elseif a == 18 and b == 8 then
		return 26
	elseif a == 18 and b == 9 then
		return 27
	elseif a == 18 and b == 10 then
		return 28
	elseif a == 18 and b == 11 then
		return 29
	elseif a == 18 and b == 12 then
		return 30
	elseif a == 18 and b == 13 then
		return 31
	elseif a == 18 and b == 14 then
		return 32
	elseif a == 18 and b == 15 then
		return 33
	elseif a == 18 and b == 16 then
		return 34
	elseif a == 18 and b == 17 then
		return 35
	elseif a == 18 and b == 18 then
		return 36
	elseif a == 18 and b == 19 then
		return 37
	elseif a == 18 and b == 20 then
		return 38
	elseif a == 19 and b == 1 then
		return 20
	elseif a == 19 and b == 2 then
		return 21
	elseif a == 19 and b == 3 then
		return 22
	elseif a == 19 and b == 4 then
		return 23
	elseif a == 19 and b == 5 then
		return 24
	elseif a == 19 and b == 6 then
		return 25
	elseif a == 19 and b == 7 then
		return 26
	elseif a == 19 and b == 8 then
		return 27
	elseif a == 19 and b == 9 then
		return 28
	elseif a == 19 and b == 10 then
		return 29
	elseif a == 19 and b == 11 then
		return 30
	elseif a == 19 and b == 12 then
		return 31
	elseif a == 19 and b == 13 then
		return 32
	elseif a == 19 and b == 14 then
		return 33
	elseif a == 19 and b == 15 then
		return 34
	elseif a == 19 and b == 16 then
		return 35
	elseif a == 19 and b == 17 then
		return 36
	elseif a == 19 and b == 18 then
		return 37
	elseif a == 19 and b == 19 then
		return 38
	elseif a == 19 and b == 20 then
		return 39
	elseif a == 20 and b == 1 then
		return 21
	elseif a == 20 and b == 2 then
		return 22
	elseif a == 20 and b == 3 then
		return 23
	elseif a == 20 and b == 4 then
		return 24
	elseif a == 20 and b == 5 then
		return 25
	elseif a == 20 and b == 6 then
		return 26
	elseif a == 20 and b == 7 then
		return 27
	elseif a == 20 and b == 8 then
		return 28
	elseif a == 20 and b == 9 then
		return 29
	elseif a == 20 and b == 10 then
		return 30
	elseif a == 20 and b == 11 then
		return 31
	elseif a == 20 and b == 12 then
		return 32
	elseif a == 20 and b == 13 then
		return 33
	elseif a == 20 and b == 14 then
		return 34
	elseif a == 20 and b == 15 then
		return 35
	elseif a == 20 and b == 16 then
		return 36
	elseif a == 20 and b == 17 then
		return 37
	elseif a == 20 and b == 18 then
		return 38
	elseif a == 20 and b == 19 then
		return 39
	elseif a == 20 and b == 20 then
		return 40
	end
end