using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Input 1: 0 or 1");

        int input1 = Convert.ToInt16(Console.ReadLine());

        Console.WriteLine("Input 2: 0 or 1");

        int input2 = Convert.ToInt16(Console.ReadLine());

        if (input1 == 1)

        {

        Console.WriteLine("1");

        }

        else if (input2 ==1)

        {

        Console.WriteLine("1");

        }   

        else

        {

        Console.WriteLine("0");

        }   

    }

}