loadstring([[

local Players = game:GetService("Players")

local function createHealthBar(character)
    local humanoid = character:WaitForChild("Humanoid")
    local head = character:WaitForChild("Head")

    -- Remove duplicates
    if head:FindFirstChild("HealthBar") then
        head.HealthBar:Destroy()
    end

    -- Billboard
    local billboard = Instance.new("BillboardGui")
    billboard.Name = "HealthBar"
    billboard.Size = UDim2.new(8, 0, 2, 0)
    billboard.StudsOffset = Vector3.new(0, 4, 0)
    billboard.AlwaysOnTop = true
    billboard.Parent = head

    -- Background
    local bg = Instance.new("Frame")
    bg.Size = UDim2.new(1, 0, 0.3, 0)
    bg.Position = UDim2.new(0, 0, 0.7, 0)
    bg.BackgroundColor3 = Color3.fromRGB(20, 20, 20)
    bg.BorderSizePixel = 0
    bg.Parent = billboard

    -- Green bar
    local bar = Instance.new("Frame")
    bar.Size = UDim2.new(1, 0, 1, 0)
    bar.BackgroundColor3 = Color3.fromRGB(0, 255, 0)
    bar.BorderSizePixel = 0
    bar.Parent = bg

    -- Text (Exact HP)
    local text = Instance.new("TextLabel")
    text.Size = UDim2.new(1, 0, 1.3, 0)
    text.Position = UDim2.new(0, 0, -1.3, 0)
    text.BackgroundTransparency = 1
    text.TextColor3 = Color3.fromRGB(255, 255, 255)
    text.TextStrokeTransparency = 0
    text.TextScaled = true
    text.Font = Enum.Font.GothamBold
    text.Parent = billboard

    local function update()
        local hp = humanoid.Health
        local max = humanoid.MaxHealth
        local percent = (hp / max) * 100

        bar.Size = UDim2.new(hp / max, 0, 1, 0)

        text.Text = string.format("%.2f / %.2f (%.2f%%)", hp, max, percent)
    end

    humanoid.HealthChanged:Connect(update)
    update()
end

-- New players
Players.PlayerAdded:Connect(function(plr)
    plr.CharacterAdded:Connect(createHealthBar)
end)

-- Existing players
for _, plr in ipairs(Players:GetPlayers()) do
    if plr.Character then
        createHealthBar(plr.Character)
    end
end

]])()