using System;
using System.Collections.Generic;
using System.Linq;

namespace The_Great_Samurai_Battle
{
    class Program
    {
        static void Main(string[] args)
        {
            List<int> samuraiMasters = Console.ReadLine().Split(' ').Select(int.Parse).ToList();
            int sequenceLength = samuraiMasters.Count;

            while (samuraiMasters.Count > 1)
            {
                for (int attacker = 0; attacker < sequenceLength; attacker++)
                {
                    int targetIndex = samuraiMasters[attacker] % sequenceLength;
                    int difference = Math.Abs(attacker - targetIndex);
                }
            }
        }
    }
}