using System;
using System.Collections.Generic;

public class Test
    {
	public static void Main()
	{
		string word;
		List<string> input = new List<string>();
		do
		{
			word = Console.ReadLine();
			if (!string.IsNullOrWhiteSpace(word))
			{
				input.Add(word);
			}
		}
		while(!string.IsNullOrWhiteSpace(word));
		
		for(int i = 0; i < input.Count; i++){
			Console.WriteLine(input[i]);
		}
	}
}