local UserInputService = game:GetService("UserInputService")
local Players = game:GetService("Players")
local localPlayer = Players.LocalPlayer

UserInputService.InputBegan:Connect(function(input, gameProccesed)
	if gameProccesed then
		return
	else
		if input.KeyCode == Enum.KeyCode.LeftShift then
			humanoid = localPlayer.Character:WaitForChild("Humanoid")
			humanoid.WalkSpeed = 35
			
			local animation = Instance.new("Animation")
			animation.AnimationId = "rbxassetid://04852997368"
			animation.Parent = humanoid
			
			loadedAnimation = humanoid:LoadAnimation(animation)
			loadedAnimation:Play()
		end
	end
end)

UserInputService.InputEnded:Connect(function(input, gameProccesed)
	if gameProccesed then
		return
	else
		if input.KeyCode == Enum.KeyCode.LeftShift then
			humanoid.WalkSpeed = 16
			loadedAnimation:Stop()
		end
	end
end)