#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 1000000000000000001

int main(){
	
	int m,d;
	cin>>m>>d;
	if(make_pair(m,d)<make_pair(8,22))cout<<23<<endl;
	else cout<<24<<endl;
	
    return 0;
}