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

int main() {
  string A, B;
  cin >> A >> B;
  for (int i = A.size() - 1; i >= 0; i--) if (A.at(i) == '.') A.erase(i, 1);
  for (int i = B.size() - 1; i >= 0; i--) if (B.at(i) == '.') B.erase(i, 1);
  cout << ((stoi(A) >= stoi(B)) ? "YES" : "NO") << "\n";
}