using System;

namespace exam
{
    class Program
    {
        static void Main(string[] args)
        {
            int firstNumber = int.Parse(Console.ReadLine());
            int secondNumber = int.Parse(Console.ReadLine());
            int thirdNumber = int.Parse(Console.ReadLine());


            for (int x1 = 1; x1 <= firstNumber; x1++)
            {
                for (int x2 = 2; x2 <= secondNumber; x2++)
                {

                    for (int x3 = 1; x3 <= thirdNumber; x3++)
                    {
                        if (x1 % 2 == 0 && x3 % 2 == 0)
                        {
                            if (x2 > 2 && x2 % 2 == 0)
                            {
                                continue;
                            }
                            else if (x2 >7)
                            {
                                continue;
                            }
                            Console.WriteLine($"{x1} {x2} {x3}");

                        }
                    }
                }
            }

        }
    }
}