#include <iostream>
#include <tuple>
using namespace std;
int main(){
	int Y, M, D;
	cin >> Y >> M >> D;
	if (make_tuple(1989, 1, 8) <= make_tuple(Y, M, D) && make_tuple(Y, M, D) <= make_tuple(2019, 4, 30)){
		cout << "Yes" << endl;
	} else {
		cout << "No" << endl;
	}
}