#pragma GCC optimize ("O3")
#pragma GCC optimize ("unroll-loops")
//#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
using namespace std;
const int N = 1e5 + 5;
ll x, y, d1, a, b, d2;
int main() {
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    cin >> x >> y >> d1 >> a >> b >> d2;
    if((x + y + d1) % 2 != (a + b + d2) % 2)
		return cout << "impossible", 0;
	if(x < a) {
		d2 -= a - x;
	} else {
		d2 -= x - a;
	}
	if(y < b) {
		b -= d2;
	} else {
		b += d2;
	}
	cout << x << " " << b;
    return 0;
}