#include<bits/stdc++.h>
using namespace std;
using ll=long long;

int main(){

    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    ll M,D;
    cin>>M>>D;
    if(M>8){
        cout<<24<<endl;
    }
    else if(M<8){
        cout<<23<<endl;
    }
    else cout<<(D>=22?24:23)<<endl;
    
}