#include <bits/stdc++.h>

using namespace std;

int y, m, d;

int main() {
	cin >> y >> m >> d;
	if (y < 1989) {
		cout << "No" << endl;
	} else if (y == 1989) {
		if (m == 1 && d < 8) {
			cout << "No" << endl;
		} else {
			cout << "Yes" << endl;
		}
	} else if (y < 2019) {
		cout << "Yes" << endl;
	} else if (y == 2019) {
		if (m < 5) {
			cout << "Yes" << endl;
		} else {
			cout << "No" << endl;
		}
	} else {
		cout << "No" << endl;
	}
	return 0;
}