AC

#include<bits/stdc++.h>
using namespace std;
using i64 = long long;
using i32 = int32_t;
using i128 = __int128;

int main() {
    string a, b, c;
    cin >> a >> b >> c;
    auto check = [&](int x, string _x) {
        vector<int> vis(19);
        for (auto i: _x) {
            vis[i - '0'] = 1;
        }
        do {
            if (!vis[x % 10]) return false;
            x /= 10;
        } while (x);
        return true;
    };


    for (int i = 0; i <= 100; i++) {
        for (int j = 0; j <= 100; j++) {
            int k = i + j;
            if (check(i, a) && check(j, b) && check(k, c)) {
                cout << i << " " << j << " " << k << endl;
                return 0;
            }
        }
    }
    cout << "impossible" << endl;
}