grammy game auto farm script

local rem,ogcf,roll,effect
for _,v in pairs(game.ReplicatedStorage.Packages:GetDescendants()) do
    if v.Name == "ChangeVehicle" then
        rem = v
    elseif v.Name == "PurchaseRoll" then
        roll = v
    end
    if rem and roll and effect then
        break
    end
end
local on = false
local n,n2 = 1,1
game:GetService("UserInputService").InputBegan:Connect(function(k)
    if k.KeyCode == Enum.KeyCode.F5 then
        if on then
            on = false
            rem:FireServer()
            wait(.1)
            game.Players.LocalPlayer.Character:SetPrimaryPartCFrame(ogcf)
        else
            ogcf = game.Players.LocalPlayer.Character.Head.CFrame
            rem:FireServer("Plane")
            wait(.1)
            on = true
        end
    elseif k.KeyCode == Enum.KeyCode.F6 then
        local co = workspace.Collectables:GetChildren()
        for _,v in pairs(co) do
            game.Players.LocalPlayer.Character:SetPrimaryPartCFrame(v.CFrame)
            wait()
        end
    elseif k.KeyCode == Enum.KeyCode.F7 then
        spawn(function()
            roll:InvokeServer(n)
        end)
        n += 1
        if n > 14 then
            n = 1