#include <iostream>
using namespace std;
int main(void) {
	int y, m, d;
	cin >> y >> m >> d;
	bool ok = true;
	if (y < 1989 || 2019 < y) ok = false;
	if (y == 1989 && m == 1 && d < 8) ok = false;
	if (y == 2019 && 4 < m) ok = false;
	cout << (ok ? "Yes" : "No") << endl;
	return 0;
}