#include <bits/stdc++.h>
#include <atcoder/all>
using ll = long long;
#define MOD 1000000007
#define Mod 998244353
const int MAX = 1000000005;
const long long INF = 1000000000000000005LL;
using namespace std;
using namespace atcoder;



int main() {
    ios::sync_with_stdio(0);cin.tie();
    int M, D;
    cin >> M >> D;
    if (M > 8 || (M == 8 && D >= 22)) cout << 24 << endl;
    else cout << 23 << endl;
}