#include <iostream>
#include <string>
using namespace std;
int main(void){
    int h,m;
    cin>>h>>m;
    if(h==7&&m>=30){
        cout<<"Late"<<endl;
    }else if(h==8&&m<30){
        cout<<"No"<<endl;
    }else if(h==8 && m>=30){
        cout<<"No"<<endl;
    }else if(h>=9){
        cout<<"No"<<endl;
    }else{
        cout<<"Yes"<<endl;
    }
    return 0;
}