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

class Program{

    static void Main(string[] args){
        IEnumerable<long> naturalNumbers = 2L.AdInfinitum(),
                          primes = naturalNumbers.Sieve();
        foreach (long i in primes.Take(100))
           Console.WriteLine(i);

        Console.ReadLine();
    }

}