#include <bits/stdc++.h>
using namespace std;
int main() {
  int x1, y1, z1, x2, y2, z2;
  cin >> x1 >> y1 >> z1 >> x2 >> y2 >> z2;
  cout << ((x1 != x2 && y1 != y2 && z1 != z2) ? "NO" : "YES");
  return 0;
}
