#include <iostream>
using namespace std;
#define ll long long

int main(){
    int n, m, k, l,s,h;
    char a, b, c ,d;
    cin >> n >> a >> m >> b >> k >> l >> c >> s >> d >> h;
    if((n >= l && m >= s && k > h)){
        cout << "YES" << endl;
    }else(cout << "NO" << endl);
    return 0;
}