using System;

namespace uniquePINcodes
{
    class Program
    {
        static void Main(string[] args)
        {
            int firstTopNumber = int.Parse(Console.ReadLine());
            int secondTopNumber = int.Parse(Console.ReadLine());
            int thirdTopNumber = int.Parse(Console.ReadLine());
            for (int i = 1; i <= firstTopNumber; i++)
            {
                for (int j = 2; j <= secondTopNumber; j++)
                {
                    bool prime = true;
                    for (int primeNumber = 2; primeNumber <= 9; primeNumber++)
                    {
                        if(j % primeNumber == 0 && primeNumber != j)
                        {
                            prime = false;
                            break;
                        }
                    }
                    /*if(j == 2 || j == 3 || j == 5 || j == 7)
                    {
                        prime = true;
                    }*/
                    for (int k = 1; k <= thirdTopNumber; k++)
                    {
                        if(i % 2 == 0 && k % 2 == 0 && prime)
                        {
                            Console.WriteLine($"{i} {j} {k}");
                        }
                    }
                }
            }
        }
    }
}