using System.Numerics;

public class Program
{
    public static void Main()
    {

        BigInteger num = BigInteger.Parse(Console.ReadLine() ?? string.Empty);
        //int num = int.Parse(Console.ReadLine() ?? string.Empty);
        //string[] moji = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string moji = Console.ReadLine() ?? string.Empty;


        double w = Math.Pow(2, 128);

        BigInteger e=(BigInteger)w%num;
        Console.WriteLine(e);
    
    }
}