#include <bits/stdc++.h>

#define el '\n'
#define ll long long
#define ld long double

#define Beevo ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);

using namespace std;

void testCase() {
    int c, e, m;
    cin >> c >> e >> m;

    if (c != 4) {
        cout << "impossible";

        return;
    }

    ll s = c + e + m;

    for (ll i = 1; i * i <= s; i++) {
        if (s % i == 0) {
            ll h = i, w = s / i;

            if (e == (h + w) * 2 - 8) {
                cout << s / i << ' ' << i;

                return;
            }
        }
    }

    cout << "impossible";
}

signed main() {
    Beevo

    int T = 1;
//    cin >> T;

    while (T--)
        testCase();

    return 0;
}