#![allow(non_snake_case)]
#[allow(unused_imports)]
use proconio::{fastout, input, marker::*};

#[fastout]
fn main() {
    input! {
        M: usize, D: usize,
    }

    if M < 8 {
        println!("23");
    } else if M == 8 {
        if D < 22 {
            println!("23");
        } else {
            println!("24");
        }
    } else {
        println!("24");
    }
}