#include <x86intrin.h>
#include <bits/stdc++.h>
using namespace std;

using str = string;
using ll = long long;
using ld = long double;
using u64 = unsigned long long;

template <class T>
using pr = pair<T, T>;
template <class T>
using vt = vector<T>;
template <class T>
using vvt = vector<vt<T>>;

#define ar array
#define pb push_back
#define fi first
#define se second
#define all(c) (c).begin(), (c).end()
#define len(x) (int)(x).size()
#define elif else if
#define def function

#define F_OR(i, a, b, s) for (int i=(a); (s)>0?i<(b):i>(b); i+=(s))
#define F_OR1(e) F_OR(i, 0, e, 1)
#define F_OR2(i, e) F_OR(i, 0, e, 1)
#define F_OR3(i, b, e) F_OR(i, b, e, 1)
#define F_OR4(i, b, e, s) F_OR(i, b, e, s)
#define GET5(a, b, c, d, e, ...) e
#define F_ORC(...) GET5(__VA_ARGS__, F_OR4, F_OR3, F_OR2, F_OR1)
#define rep(...) F_ORC(__VA_ARGS__)(__VA_ARGS__)
#define each(x, a) for (auto& x: a)

template <class T>
constexpr T inf = 0;
template <>
constexpr int inf<int> = 1'000'000'005;
template <>
constexpr long long inf<long long> = (long long)(inf<int>) * inf<int> * 2;
template <>
constexpr unsigned int inf<unsigned int> = inf<int>;
template <>
constexpr unsigned long long inf<unsigned long long> = inf<long long>;
template <>
constexpr __int128 inf<__int128> = __int128(inf<long long>) * inf<long long>;
template <>
constexpr double inf<double> = inf<long long>;
template <>
constexpr long double inf<long double> = inf<long long>;

template <class T, class S>
inline bool ctmax(T &a, const S &b) { return (a < b ? a = b, 1 : 0); }
template <class T, class S>
inline bool ctmin(T &a, const S &b) { return (a > b ? a = b, 1 : 0); }

template <typename T, typename U>
ostream &operator<<(ostream &os, const pair<T, U> &p) { os << p.first << " " << p.second; return os; }
template <typename T, typename U>
istream &operator>>(istream &is, pair<T, U> &p) { is >> p.first >> p.second; return is; }
template <typename T>
ostream &operator<<(ostream &os, const vector<T> &v) { int s = (int)v.size(); for (int i = 0; i < s; i++) os << (i ? " " : "") << v[i]; return os; }
template <typename T>
istream &operator>>(istream &is, vector<T> &v) { for (auto &x : v) is >> x; return is; }

void read() {}
template <typename T, class... U>
void read(T &t, U &...u) { cin >> t; read(u...); }
void print() { cout << "\n"; }
template <typename T, class... U, char sep = ' '>
void print(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << sep; print(u...); }
void write() { cout << " "; }
template <typename T, class... U, char sep = ' '>
void write(const T &t, const U &...u) { cout << t; if (sizeof...(u)) cout << sep; write(u...); }

#define Int(...)   \
  int __VA_ARGS__; \
  read(__VA_ARGS__)
#define Ll(...)   \
  long long __VA_ARGS__; \
  read(__VA_ARGS__)
#define Str(...)      \
  string __VA_ARGS__; \
  read(__VA_ARGS__)
#define Vt(type, name, size) \
  vector<type> name(size);    \
  read(name)
#define Die(...)             \
  do {                       \
    print(__VA_ARGS__); \
    return 0;                  \
  } while (0)

__attribute__((target("popcnt"))) inline int popcnt(const u64 &a) {
    return _mm_popcnt_u64(a);
}
inline int lsb(const u64 &a) { return a ? __builtin_ctzll(a) : 64; }
inline int ctz(const u64 &a) { return a ? __builtin_ctzll(a) : 64; }
inline int msb(const u64 &a) { return a ? 63 - __builtin_clzll(a) : -1; }
template <typename T>
inline int gbit(const T &a, int i) {
    return (a >> i) & 1;
}
template <typename T>
inline void sbit(T &a, int i, bool b) {
    if (gbit(a, i) != b) a ^= T(1) << i;
}
constexpr long long Pw(int n) { return 1LL << n; }
constexpr long long Msk(int n) { return (1LL << n) - 1; }

signed main(){
    cin.tie(0)->sync_with_stdio(0);
    cin.exceptions(ios::badbit | ios::failbit);
    auto __solve_tc = [&](auto __tc_num)->int {
        Int(h, m);
        int min = h * 60 + m;
        if (min < 7 * 60 + 30) Die("Yes");
        if (min >= 8 * 60 + 30) Die("No");
        print("Late");
        return 0;
    };
    int __tc_cnt = 1;
    for(auto __tc_num = 0; __tc_num < __tc_cnt; ++ __tc_num){
        __solve_tc(__tc_num);
    }
}