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;
            List<int> deadIndexes = new List<int>();

            while (sequenceLength > 1)
            {
                for (int attackerIndex = 0; attackerIndex < sequenceLength ; attackerIndex++)
                {
                    if (deadIndexes.Contains(attackerIndex))
                    {
                        continue;
                    }
                    int targetIndex = samuraiMasters[attackerIndex] % sequenceLength;

                    int difference = Math.Abs(attackerIndex - targetIndex);

                    if (difference == 0)
                    {
                        deadIndexes.Add(attackerIndex);
                        Console.WriteLine($"{attackerIndex} performed harakiri");
                    }
                    else if (difference % 2 != 0)
                    {
                        deadIndexes.Add(attackerIndex);
                        Console.WriteLine($"{attackerIndex} x {targetIndex} -> {targetIndex} wins");
                    }
                    else if (difference % 2 == 0)
                    {
                        deadIndexes.Add(targetIndex);
                        Console.WriteLine($"{attackerIndex} x {targetIndex} -> {attackerIndex} wins");
                    }
                    if (sequenceLength - deadIndexes.Count == 1)
                    {
                        break;
                    }

                }

                for (int i = 0; i < sequenceLength; i++)
                {
                    if (deadIndexes.Contains(i))
                    {
                        samuraiMasters.Remove(i);
                    }
                }
                deadIndexes.Clear();
                sequenceLength = samuraiMasters.Count;
            }
        }
    }
}