#include "bits/stdc++.h" using namespace std; signed main() { int y, m, d; cin >> y >> m >> d; if ((1988 < y) && (y < 2020)) { if ((1989 < y) && (y < 2019)) { cout << "Yes" << endl; return 0; } if (y == 1989) { if (1 < m) { cout << "Yes" << endl; return 0; } if (1 == m && 7 < d) { cout << "Yes" << endl; return 0; } } if (y == 2019) { if (m < 5) { cout << "Yes" << endl; return 0; } } } cout << "No" << endl; return 0; }