#include <iostream>
#include <tuple>

void solve() {
    int y, m, d;
    std::cin >> y >> m >> d;

    auto l = std::make_tuple(1989, 1, 8),
         t = std::make_tuple(y, m, d),
         r = std::make_tuple(2019, 4, 30);

    std::cout << (l <= t && t <= r ? "Yes" : "No") << std::endl;
}

int main() {
    std::cin.tie(nullptr);
    std::ios::sync_with_stdio(false);

    solve();

    return 0;
}