//写経

#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
using namespace std;

typedef long long ll;

ll a, b, n, MOD = 1e9 + 7;
map<ll, ll> mp;

ll mod_pow(ll x, ll n, ll mod) {
    ll res = 1;
    while (n > 0) {
        if (n & 1) res = res * x % mod;
        x = x * x % mod;
        n >>= 1;
    }
    return res;
}

ll solve(ll n) {
    if (mp.find(n) != mp.end()) return mp[n];
    if (n == 0) {
        mp[0] = 2;
        return mp[0];
    }
    if (n == 1) {
        mp[1] = (2 * a) % MOD;
        return mp[1];
    }
    if (n % 2) {
        mp[n] = (solve(n / 2 + 1) * solve(n / 2) - ((mod_pow((a * a - b + MOD) % MOD, n / 2, MOD) * 2 * a) % MOD) + MOD) % MOD;
    } else {
        mp[n] = (solve(n / 2) * solve(n / 2) - ((mod_pow((a * a - b + MOD) % MOD, n / 2, MOD) * 2) % MOD) + MOD) % MOD;
    }
    return mp[n];
}

int main() {
    int a[3], b[3];
    rep(i, 3) cin >> a[i];
    rep(i, 3) cin >> b[i];
    rep(i, 3) {
        rep(j, 3) {
            swap(a[i], b[j]);
            int c = (a[0] - a[1]) * (a[1] - a[2]);
            int d = (b[0] - b[1]) * (b[1] - b[2]);
            if (c < 0 && d < 0 && a[0] != a[2] && b[0] != b[2]) {
                cout << "Yes\n";
                return 0;
            }
            swap(a[i], b[j]);
        }
    }
    cout << "No\n";
}