#include "bits/stdc++.h"
//#include <atcoder/all>

using namespace std;
//using namespace atcoder;

//#define int long long
#define ll long long
ll INF = (1LL << 60);
constexpr int mod = 1000000007;
using P = pair<int, int>;

signed main() {
	vector<int>a(3), b(3);
	for (int i = 0; i < 3; i++) {
		cin >> a[i];
	}
	for (int i = 0; i < 3; i++) {
		cin >> b[i];
	}
	sort(a.begin(), a.end());
	sort(b.begin(), b.end());
	bool ok = true;
	for (int i = 0; i < 3; i++) {
		if (a[i] != b[i])ok = false;
	}
	if (ok) {
		cout << "Yes" << endl;
		cout << 2 << endl;
	}
	else {
		cout << "No" << endl;
	}
	return 0;
}