using System;

public class Hello
{
    static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var x = int.Parse(line[0]);
        var y = int.Parse(line[1]);
        getAns(x, y);
    }
    static void getAns(int x, int y)
    {
        if (x > y) { getAns(y, x); return; }
        var k = (x + 4) % 12;
        Console.WriteLine(k != y ? k : (y + 4) % 12);
    }
}