ConsoleApplication2

using System;

class ConsoleApplication2
{
    static void Main()
    {
        string input;
        long product = 1;
        int counter = 0;
        long secondProduct = 1;
        bool broken = true;

        while (counter < 10)
        {
            input = Console.ReadLine();
            long number;
            if (!(long.TryParse(input, out number)))
            {
                broken = false;
                break;
            }
            if (counter % 2 == 0)
            {
                while (number != 0)
                {
                    product *= (number % 10);
                    number /= 10;
                }
            }
            counter++;
        }

        while (broken)
        {
            input = Console.ReadLine();
            long number;
            if (!(long.TryParse(input, out number)))
            {

                break;
            }
            if (counter % 2 == 0)
            {
                while (number != 0)
                {
                    secondProduct *= (number % 10);
                    number /= 10;
                }
            }
            counter++;
        }


        Console.WriteLine(product);
        if (broken)
        {
            Console.WriteLine(secondProduct);
        }
    }
}