using System;

namespace multiply_table
{
    class Program
    {
        static void Main( )
        {
            string input = Console.ReadLine();

           // int Number = int.Parse(input);

            int FirstNum = Convert.ToInt32(input[2]);
            int SecondNum = Convert.ToInt32(input[1]);
            int ThirdNum = Convert.ToInt32(input[0]);

            for (int x=1; x <= FirstNum; x++)
            {
                for (int y = 1; y <= SecondNum; y++)
                {
                    for (int z = 1; z <= ThirdNum; z++)
                    {
                        int calc = z * y * x;
                        Console.WriteLine($"{z} * {y} * {x} = {calc};");
                    }
                }
            }
        }
    }
}