#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = 1e9 + 10;
const ll INFL = 4e18;

int main() {
    int M, D;
    cin >> M >> D;

    if (M == 8) {
        puts(D >= 22 ? "24" : "23");
    } else {
        puts(M > 8 ? "24" : "23");
    }
}