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

class StartUp
{
    static void Main()
    {
        try
        {
            var sequanceOfElements = Console.ReadLine()
                .Split()
                .Select(int.Parse)
                .ToList();
            if (sequanceOfElements.Count == 0 || sequanceOfElements.Count == 1)
            {
                return;
            }

            var listOfLosers = new List<int>();
            var listOfWinners = new List<int>();

            for (int index = 0; index < sequanceOfElements.Count; index++)
            {
                if (!listOfLosers.Contains(index))
                {
                    int target = sequanceOfElements[index];
                    if (target >= sequanceOfElements.Count)
                    {
                        target %= sequanceOfElements.Count;
                    }

                    var difference = Math.Abs(index - target);

                    if (difference % 2 == 0 && difference != 0)
                    {
                        //attacker wins

                        listOfWinners.Add(index);
                        if (!listOfLosers.Contains(target))
                        {
                            listOfLosers.Add(target);
                        }

                        if (!listOfLosers.Contains(index))
                        {
                            Console.WriteLine($"{index} x {target} -> {index} wins");
                        }
                    }
                    else if (difference % 2 == 1)
                    {
                        //target wins

                        if (!listOfLosers.Contains(index))
                        {
                            listOfLosers.Add(index);
                        }

                        Console.WriteLine($"{index} x {target} -> {target} wins");
                    }
                    else if (difference == 0)
                    {
                        //attackerElement makes harakiri

                        if (!listOfLosers.Contains(index))
                        {
                            listOfLosers.Add(index);
                        }

                        Console.WriteLine($"{index} performed harakiri");
                    }
                    //stop program if only 1 element left

                    if (sequanceOfElements.Count - listOfLosers.Count == 1)
                    {
                        break;
                    }
                }
                //check if we make all iterations

                if (index + 1 == sequanceOfElements.Count)
                {
                    if (listOfWinners.Count==0||listOfWinners.Count==1)
                    {
                        break;
                    }
                    var resultSequance = new List<int>();
                    foreach (var element in listOfWinners)
                    {
                        var currentEl = sequanceOfElements.ElementAt(element);

                        resultSequance.Add(currentEl);
                    }

                    listOfWinners.Clear();
                    listOfLosers.Clear();
                    sequanceOfElements = resultSequance;

                    index = -1;
                }
            }
        }
        catch (Exception e)
        {
        }
    }
}