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

using Int = long long;
const char newl = '\n';

template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}
template<typename T> void drop(const T &x){cout<<x<<endl;exit(0);}
template<typename T=Int>
vector<T> read(size_t n){
  vector<T> ts(n);
  for(size_t i=0;i<n;i++) cin>>ts[i];
  return ts;
}

//INSERT ABOVE HERE
signed main(){
  cin.tie(0);
  ios::sync_with_stdio(0);

  Int a,b,c;
  cin>>a>>b>>c;
  Int d,e,f;
  cin>>d>>e>>f;

  multiset<Int> ss({a,b,c});
  multiset<Int> ts({d,e,f});
  if(ss!=ts) drop("No");
  cout<<"Yes"<<endl;
  cout<<2<<endl;
  return 0;
}