#line 1 "main.cpp"
#include <iostream>
#include <vector>

using namespace std;

bool judge(const vector<int>& xs) {
    if (xs[0] == xs[2]) return false;
    return (xs[0] < xs[1] && xs[1] > xs[2]) ||
           (xs[0] > xs[1] && xs[1] < xs[2]);
}

void solve() {
    vector<int> xs(3), ys(3);
    for (auto& x : xs) cin >> x;
    for (auto& y : ys) cin >> y;

    for (int i = 0; i < 3; ++i) {
        for (int j = 0; j < 3; ++j) {
            swap(xs[i], ys[j]);
            if (judge(xs) && judge(ys)) {
                cout << "Yes\n";
                return;
            }
            swap(xs[i], ys[j]);
        }
    }

    cout << "No\n";
}

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

    solve();

    return 0;
}