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

namespace Канзас_сити_шафл
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] array;
            string St_V = Console.ReadLine();
            array = St_V.Split(new char[] { ' ' });
            int[] arrInt = new int[array.Length];
            for (int i = 0; i < arrInt.Length; i++)
            {
                arrInt[i] = Convert.ToInt32(array[i]);
                Console.Write(arrInt[i] + " ");
            }
            Console.WriteLine();
            int[] arrShuffle = Shuffle(arrInt);
            for (int i = 0; i < arrShuffle.Length; i++)
            {
                Console.Write(arrShuffle[i] + " ");
            }
            Console.WriteLine();
        }
        static int[] Shuffle(int[] arrInt)
        {
            int First;
            int Second;
            int Memory;
            Random rand = new Random();
            for (int i = 0; i < arrInt.Length; i++)
            {
                First = rand.Next(0, arrInt.Length);
                Second = rand.Next(0, arrInt.Length);
                Memory = arrInt[Second];
                arrInt[Second] = arrInt[First];
                arrInt[First] = Memory;
                Console.WriteLine(First);
                Console.WriteLine(Second);
            }
            return arrInt;
        }
    }
}