mat

    class Program
    {
        public static void Main(string[] args)
        {
            for (int i = 0; i < 100; i = i + 2)
            {
                for (int j = 0; j < 100; j = j + 2)
                {
                    for (int k = 0; k < 100; k = k + 2)
                    {
                        if( (i*j*k) == (7*(i+j+k) ))
                        {
                            Console.WriteLine(i + " " + j + " " + k );
                        }
                    }
                }
            }
        }
    }