#include <iostream>
#include <vector>

std::vector<int> input() {
    std::vector<int> ret;
    for (int i = 0; i < 3; ++i) {
        int x;
        std::cin >> x;
        ret.push_back(x);

        if (i == 2) break;
        char c;
        std::cin >> c;
    }
    return ret;
}

void solve() {
    auto a = input(), b = input();
    std::cout << (a >= b ? "YES" : "NO") << std::endl;
}

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

    solve();

    return 0;
}