using System;

class Program
{
    static void Main()
    {
        int n = int.Parse(Console.ReadLine());
        if (Judge(n)) Console.WriteLine("Win");
        else Console.WriteLine("Lose");
    }

    static bool Judge(int a)
    {
        bool b = false;
        if (a == 0 || a == 1) b = true;
        for(int i=2;i<= a; i++)
        {
            if (IsPrime(i) && Judge(a - i) == false) b = true;
        }
        return b;
    }

    static bool IsPrime(int a)
    {
        bool b = true;
        for (int i=2;i*i<= a; i++)
        {
            if (a % i == 0)
            {
                b = false;
                break;
            }           
        }
        return b;
    }
}