#include<iostream>
#include <bits/stdc++.h>

#define ll long long
#define ld long double
#define IO ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
const int N = 3e5 + 5, inf = 2e9;


void doWork() {
    ll x1, y1, x2, y2, d1, d2;
    cin >> x1 >> y1 >> d1;
    cin >> x2 >> y2 >> d2;
    ll d3 = abs(x1 - x2) + abs(y1 - y2);
    //cout << d3 << "\n";
    if (d3 <= d1 + d2 && (d1 + d2 - d3) % 2 == 0) {
        ll mx = (x1 + x2) / 2;
        ll my = (y1 + y2) / 2;

        for (ll i = mx - 30; i <= mx + 30; i++) {
            for (ll j = my - 30; j <= my + 30; j++) {
                ll a = abs(x1 - i) + abs(y1 - j), b = abs(x2 - i) + abs(y2 - j);
                if (a <= d1 && b <= d2 && (d1 - a) % 2 == 0 && (d2 - b) % 2 == 0) {
                    cout << i << " " << j;
                    return;
                }
            }
        }
        cout << "impossible\n";
    } else {
        cout << "impossible\n";
    }
}

int main() {
    IO
    int t = 1;
    //   cin >> t;
    for (int i = 1; i <= t; i++) {
        //  cout << "Case #" << i << ": ";
        doWork();
    }
}