#include <bits/stdc++.h>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;
typedef unsigned long long ull;


int main(){
  int A, B, C;
  int D, E, F;

  cin >> A >> B >> C;
  cin >> D >> E >> F;

  vector<int> v = {A,B,C};
  vector<int> w = {D,E,F};
  sort(ALLOF(v));
  sort(ALLOF(w));

  if(v[0] == w[0] && v[1] == w[1] && v[2] == w[2]){
    cout << "Yes" << endl;
    cout << 2 << endl;
    return 0;
  }
  
  cout << "No" << endl;
  
  return 0;
}