using System;

namespace SpecialCombinations
{
    class Program
    {
        static void Main()
        {
            int hundreds = int.Parse(Console.ReadLine());
            int tens = int.Parse(Console.ReadLine());
            int numbers = int.Parse(Console.ReadLine());
            for (int i = 1; i <= hundreds; i++)
            {
                if (IsEven(i))
                {
                    for (int j = 1; j <= tens; j++)
                    {
                        if (IsPrime(j))
                        {
                            for (int k = 1; k <= numbers; k++)
                            {
                                if (IsEven(k))
                                {
                                    Console.WriteLine($"{i} {j} {k}");
                                }
                            }
                        }
                    }
                }
            }
        }

        private static bool IsEven(int number)
        {
            if (number % 2 == 0)
            {
                return true;
            }
            return false;
        }

        private static bool IsPrime(int number)
        {
            if (number == 2 || number == 3 || number == 5 || number == 7)
            {
                return true;
            }
            return false;
        }
    }
}