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

int ctoi(char &c){
    switch(c){
        case '1': return 1;
        case '2': return 2;
        case '3': return 3;
        case '4': return 4;
        case '5': return 5;
        case '6': return 6;
        case '7': return 7;
        case '8': return 8;
        case '9': return 9;
        default: return 0;
    }
}

int main() {
    int h, m;
    cin >> h >> m;

    int startSec = 27000,
        endSec = 30600,
        nowSec = (h * 3600) + (m * 60) + 30;

    if(startSec > nowSec){
        cout << "Yes" << endl;
    } else if(nowSec <= endSec){
        cout << "Late" << endl;
    } else {
        cout << "No" << endl;
    }

}