3

class Point{
public:
    double x;
    double y;
    void read(){
        cin>>x>>y;
    }
};

class Triangle{
public:
    Point v[3];
    void read(){
        for(int i=0;i<3;i++)
            v[i].read();
    }
};

class Rectangle{
public:
    Point v[2];
    void read(){
        for(int i=0;i<2;i++)
            v[i].read();
    }
};

bool is_in_rectangle(Point p, Rectangle rec){
    double x1 = rec.v[0].x;
    double x2 = rec.v[1].x;
    double y1 = rec.v[0].y;
    double y2 = rec.v[1].y;

    if (p.x>=x1&&p.x<=x2&&p.y>=y1&&p.y<=y2) /// <-----   как всё понятно))
        return 1;
    return 0;
}

class Picture{
public:
    Rectangle rec;
    Triangle tr;
    void read(){
        rec.read();
        tr.read();
    }
    bool intersect(){
        if (is_in_rectangle(tr.v[0], rec) || is_in_rectangle(tr.v[1], rec) || is_in_rectangle(tr.v[2], rec))
            return 1;
        return 0;
    }
};