#include <bits/stdc++.h>
using namespace std;
signed main() {
  long long int x1, y1, z1, x2, y2, z2;
  cin >> x1 >> y1 >> z1 >> x2 >> y2 >> z2;
  if (x1 == x2 || y1 == y2 || z1 == z2)
    cout << "YES";
  else
    cout << "NO";
}
