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