using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace template
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] x = new int[] { 7, 8, 9, 4, 5, 6, 1, 2, 3, 0 };
            Console.WriteLine(x[int.Parse(Console.ReadLine())-1]);
        }
    }
}