#include <bits/stdc++.h>

using namespace std;

using ll = long long;

constexpr char newl = '\n';

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    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];
    }
    bool hoge = (a == b);
    sort(a.begin(), a.end());
    sort(b.begin(), b.end());

    if (a == b) {
        cout << "Yes\n";
        if (!hoge) cout << 2 << newl;
    } else {
        cout << "No\n";
    }

    return 0;
}