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

namespace _02.Snowmen
{
    class Program
    {
        static void Main(string[] args)
        {
            var snowmen = Console.ReadLine().Split(new[] { ' ' }, StringSplitOptions.RemoveEmptyEntries).Select(int.Parse).ToList();

            while (snowmen.Count > 1)
            {
                var lostOrHarakiriIndices = new List<int>();

                for (int i = 0; i < snowmen.Count; i++)
                {
                    var attacker = i;
                    var target = snowmen[attacker];

                    if (lostOrHarakiriIndices.Contains(attacker) || lostOrHarakiriIndices.Distinct().ToList().Count == snowmen.Count - 1)
                    {
                        continue;
                    }

                    if (target > snowmen.Count - 1)
                    {
                        target %= snowmen.Count;
                    }

                    if (attacker == target)
                    {
                        Console.WriteLine($"{attacker} performed harakiri");
                        lostOrHarakiriIndices.Add(attacker);
                    }
                    else if (Math.Abs(attacker - target) % 2 == 0)
                    {
                        Console.WriteLine($"{attacker} x {target} -> {attacker} wins");
                        lostOrHarakiriIndices.Add(target);
                    }
                    else if (Math.Abs(attacker - target) % 2 != 0)
                    {
                        Console.WriteLine($"{attacker} x {target} -> {target} wins");
                        lostOrHarakiriIndices.Add(attacker);
                    }

                }

                for (int j = 0; j < lostOrHarakiriIndices.Count; j++)
                {
                    lostOrHarakiriIndices = lostOrHarakiriIndices.OrderByDescending(x => x).Distinct().ToList();
                    snowmen.RemoveAt(lostOrHarakiriIndices[j]);
                }
            }

            //Console.WriteLine(snowmen.Count);
        }
    }
}