#include<bits/stdc++.h>
using namespace std;
#define ALL(x) begin(x),end(x)
#define rep(i,n) for(int i=0;i<(n);i++)
#define debug(v) cout<<#v<<":";for(auto x:v){cout<<x<<' ';}cout<<endl;
#define mod 1000000007
using ll=long long;
const int INF=1000000000;
const ll LINF=1001002003004005006ll;
int dx[]={1,0,-1,0},dy[]={0,1,0,-1};
// ll gcd(ll a,ll b){return b?gcd(b,a%b):a;}
template<class T>bool chmax(T &a,const T &b){if(a<b){a=b;return true;}return false;}
template<class T>bool chmin(T &a,const T &b){if(b<a){a=b;return true;}return false;}

struct IOSetup{
    IOSetup(){
        cin.tie(0);
        ios::sync_with_stdio(0);
        cout<<fixed<<setprecision(12);
    }
} iosetup;
 
template<typename T>
ostream &operator<<(ostream &os,const vector<T>&v){
    for(int i=0;i<(int)v.size();i++) os<<v[i]<<(i+1==(int)v.size()?"":" ");
    return os;
}
template<typename T>
istream &operator>>(istream &is,vector<T>&v){
    for(T &x:v)is>>x;
    return is;
}

struct RandomNumberGenerator{
    mt19937 mt;
    RandomNumberGenerator():mt(chrono::steady_clock::now().time_since_epoch().count()){}
    // [a,b)
    int operator()(int a,int b){
        uniform_int_distribution<int> d(a,b-1);
        return d(mt);
    }
};


signed main(){
    vector<int> a(3),b(3);
    cin>>a>>b;
    auto c=a;
    auto d=b;
    sort(ALL(c));sort(ALL(d));
    if(c!=d){
        cout<<"No"<<endl;
        return 0;
    }

    cout<<"Yes"<<endl;
    cout<<2<<endl;
    return 0;
}