using System;

public class Program

{

    public static void Main()

    {

        int n = Convert.ToInt32(Console.ReadKey());

        int n1 = Convert.ToInt32(Console.ReadKey());

        int resSum = 0;

        int resMulti = 1;

        if(n != 0 && n1 != 0) {

            resMulti = n1 * n;

            Console.WriteLine(resMulti);

        } else {

            resSum += n1;

            resSum += n;

            Console.WriteLine(resSum);

        }

​

    }

}