#include <bits/stdc++.h>
using namespace std;
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n) FOR(i,0,n)
#define ALL(v) begin(v),end(v)
template<typename A, typename B> inline bool chmax(A & a, const B & b) { if (a < b) { a = b; return true; } return false; }
template<typename A, typename B> inline bool chmin(A & a, const B & b) { if (a > b) { a = b; return true; } return false; }
using ll = long long;
using pii = pair<int, int>;
constexpr ll INF = 1ll<<30;
constexpr ll longINF = 1ll<<60;
constexpr ll MOD = 1000000007;
constexpr bool debug = false;
//---------------------------------//

int main() {
	int Y, M, D;
	cin >> Y >> M >> D;
	puts([&]() -> bool {
		if (Y > 1989 && Y < 2019) return true;
		if (Y == 1989) {
			if (M == 1 && D < 8) return false;
			return true;
		}
		else if (Y == 2019) {
			if (M != 4) return M < 4;
			return D <= 30;
		}
		else return false;
	}() ? "Yes": "No");
}