#include <iostream>
#include <string>
using namespace std;

int
main() {
    int y, m, d;
    cin >> y >> m >> d;
    if ((1989 <= y) && (y <= 2019)) {
        if (y == 1989) {
                if ((m == 1) && (d >= 8)) {
                        cout << "Yes" << endl;
                        return 0;
                }
                if (m != 1) {
                        cout << "Yes" << endl;
                        return 0;
                }
                cout << "No" << endl;
                return 0;
        }
        if (y == 2019) {
                if ((m == 4) && (m <= 30)) {
                        cout << "Yes" << endl;
                        return 0;
                }
                if (m < 4) { 
                        cout << "Yes" << endl;
                        return 0;
                }
                cout << "No" << endl;
                return 0;
        }           
            cout << "Yes" << endl;
            return 0;
    }
    cout << "No" << endl;
    return 0;
}