#include <iostream>
#include <queue>

using namespace std;

struct punct {
    int x;
    int y;
};

class comparare {
public:
    int operator() (punct a, punct b) {
        if (a.x == b.x)
            return a.y >= b.y;
        else
            return a.x >= b.x;
    }
};

priority_queue< punct, vector<punct>, comparare > h;

punct p;

int main () {
    for (int i=1;i<=3;i++) {
        cin>>p.x>>p.y;
        h.push(p);
    }

    for (int i=1;i<=3;i++) {
        p = h.top();
        cout<<p.x<<" "<<p.y<<"\n";
        h.pop();
    }

    return 0;
}