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


internal class Program
{
	private static IEnumerable<T> Infinite<T>(T value){
		while (true) yield return value;
	}
	
    private static void Main(string[] args)
    {
        foreach (var value in Infinite<string>("qwerty").Take(5))
        {
            Console.WriteLine(value);
        }
    }
}