#include <bits/stdc++.h>
using namespace std;

vector<int> input() {
    string s;
    vector<int> res;
    cin >> s;
    s.push_back('.');
    for (int l = 0, r = 0; r < s.size(); r++) {
        if (s[r] == '.') {
            res.emplace_back(stoi(s.substr(l, r - l)));
            l = r + 1;
        }
    }
    return res;
}

int main() {
    vector<int> a = input();
    vector<int> b = input();
    
    assert(a.size() == 3 and b.size() == 3);
    
    bool flag = true;
    for (int i = 0; i < 3; i++) {
        if (a[i] < b[i]) { flag = false; break; }
    }
    
    cout << (flag ? "YES" : "NO") << '\n';
    return 0;
}