Lost Speed hack

game:GetService('UserInputService').InputBegan:Connect(function(input)

if input.KeyCode == Enum.KeyCode.W then
       game.Players.LocalPlayer.Character.Humanoid.WalkSpeed = 16
    end
if input.KeyCode == Enum.KeyCode.A then
       game.Players.LocalPlayer.Character.Humanoid.WalkSpeed = 16
    end
if input.KeyCode == Enum.KeyCode.S then
       game.Players.LocalPlayer.Character.Humanoid.WalkSpeed = 16
    end
if input.KeyCode == Enum.KeyCode.D then
       game.Players.LocalPlayer.Character.Humanoid.WalkSpeed = 16
end
if input.KeyCode == Enum.KeyCode.LeftShift then
       game.Players.LocalPlayer.Character.Humanoid.WalkSpeed = 16
    end
end)