#include<bits/stdc++.h>
using namespace std;
using ll = long long;
using vll =vector<ll>;
using vvll =vector<vll>;
#define rep(i,s,t) for(ll i=(ll)(s); i<(ll(t)); ++i)
#define all(x) (x).begin(), (x).end()

int main(){
    ll H,M;
    cin>>H>>M;
    M+=60*H;
    if(M<7*60+30){
        cout<<"Yes"<<endl;
    }
    else if(M<8*60+30){
        cout<<"Late"<<endl;
    }
    else cout<<"No"<<endl;
}