#include <bits/stdc++.h>   using namespace std;   const int N = 1e6 + 10;   int mod = 1e9 + 7;   int a, b, c, d, n, m, x, y, z;   vector<int> v;   int arr[3];   int main() {     cin >> a >> b >> c;     for (int i = 0; i <= a; i++) {       x = c - i;       y = b - (a - i);       if (x >= 0 && y >= 0 && x == y) {         cout << a - i <<     << x <<     << i << endl;         return 0;       }     }     cout <<  Impossible  << endl;     return 0;   }   