using System;

public class Program

{

    public static void Main()

    {

        var nums = Console.ReadLine().Split('  ').ToArray();

        for (int = 0; i < nums.Length / 2; i++)

            SwapElements(nums, i, nums.Length - 1 - i);

        Console.WriteLine(string.Join("  ", nums));

        static void SwapElements(string[] arr, int i, int j)

        {

        var oldElements = arr[i];

            arr[i] = arr[i];

            arr[j] = oldElement;

        }

    }

}