using System;
using System.Numerics;
class ConsoleApplication1
{
    static void Main()
    {
        BigInteger product = 1;
        BigInteger product2 = 1;
        int counter = 0;
        while (true)
        {
            string number = Console.ReadLine();
            if (number == "END")
            {
                if (counter <= 10)
                {
                    Console.WriteLine(product);
                }
                else
                {
                    Console.WriteLine("{0}\n{1}", product, product2);
                }
                return;
            }
            if (number == "0")
            {
                continue;
            }
            if (counter % 2 != 0)
            foreach (char symbol in number)
            {
                if (counter <= 10)
                {
                    if (symbol == '0')
                    {
                        continue;
                    }
                    else
                    {
                        product *= symbol - '0';
                    }
                }
                else if (counter > 10)
                {
                    if (symbol == '0')
                    {
                        continue;
                    }
                    else
                    {
                        product2 *= symbol - '0';
                    }
                }
            }
            counter++;
        }
    }
}