using System;

public class Hello
{
    static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var m = int.Parse(line[0]);
        var d = int.Parse(line[1]);
        getAns(m, d);
    }
    static void getAns(int m, int d)
    {
        int ans;
        if (m > 8) ans = 24;
        else if (m < 8) ans = 23;
        else
        {
            if (d >= 22) ans = 24;
            else ans = 23;
        }
        Console.WriteLine(ans);
    }
}