// Validate Input by testlib.h

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

#if __has_include("testlib.h")
    #include "testlib.h"
#else
    #include "/opt/testlib/testlib.h"
#endif

// clang-format on
int main(int argc, char *argv[]) {
    // Validate Input
    registerValidation(argc, argv);

    int H = inf.readInt(0, 23, "H");
    inf.readSpace();
    int M = inf.readInt(0, 59, "M");
    inf.readEoln();
    inf.readEof();

    // Solve
    auto f = [&](int h, int m) -> int { return 60 * h + m; };

    int s = f(7, 30);
    int t = f(8, 30);
    int T = f(H, M);

    string ans;
    if (T < s) {
        ans = "Yes";
    } else if (T < t) {
        ans = "Late";
    } else {
        ans = "No";
    }
    cout << ans << '\n';

    return 0;
}