using System;

using System.Collections;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        string input = Console.ReadLine();

        string[] tokens = input.Split(' ');

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

        foreach (string token in tokens) {

            int result;

            bool success = int.TryParse(token, out result);

            if (success) results.Add(result);

        }

        results.Reverse();

        foreach(int num in results){

            Console.WriteLine(num);

        }

    }

}