#include <bits/stdc++.h>
using namespace std;
#include <atcoder/math>
using namespace atcoder;

#define rep(i, n) for( ll i = 0; i < n; i++ )
using ll = long long;

int main() {
	int m, d;
	cin >> m >> d;
	int ans = 24;
	if(m < 8) ans--;
	else if(m == 8 && d < 22) ans--;
	cout << ans << endl;
}