using System;

​

public class Program

{

    public static void Main()

    {

        string v = Console.ReadLine();

        string[] items = v.Split(' ');

        int[] arr = new int[items.Length];

        for (int i = 0; i < items.Length; i++)

        {

            arr[i] = int.Parse(items[i]);

            Console.WriteLine(items[i]);

        }

        for (int i = n-1; i >= 0; i--)

  Console.Write(arr[i] + " ");

Console.WriteLine();

​

    }

}