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

int main()
{
	vector<int> as(3), bs(3);
	for (auto &&a : as)
	{
		cin >> a;
	}
	for (auto &&b : bs)
	{
		cin >> b;
	}

	if (multiset<int>(as.begin(), as.end()) == multiset<int>(bs.begin(), bs.end()))
	{
		cout << "Yes" << endl;
		cout << 2 << endl;
	}
	else
	{
		cout << "No" << endl;
	}

	return 0;
}