#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;

struct P {
    double inner(const P& p) const {
        double t = 0;
        for (int i = 0; i < 3; i++) {
            t += x[i] * p.x[i];
        }
        return t;
    }
    P& operator-=(const P& p) {
        for (int i = 0; i < 3; i++) {
            x[i] -= p.x[i];
        }
        return *this;
    }
    double x[3];
};

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);

    P p[4];
    for (int i = 0; i < 4; i++) {
        cin >> p[i].x[0] >> p[i].x[1] >> p[i].x[2];
    }

    for (int i = 0; i < 4; i++) {
        if (i != 2) p[i] -= p[2];
    }
    p[2] -= p[2];

    double r[2], s[2];
    for (int i = 0; i < 2; i++) {
        double t0 = p[i].inner(p[i]);
        double t1 = p[i].inner(p[3]);
        r[i] = sqrt(t0);
        s[i] = t1 / r[i];
    }

    cout << ((s[0] / r[0] + s[1] / r[1] < 1 && s[0] > 0 && s[1] > 0) ? "YES" : "NO") << endl;

    return 0;
}