#include <bits/stdc++.h>
using namespace std;
int main() {
  int a, b, c;
  cin >> a >> b >> c;
  if ((c - (a + b)) % 2)
    cout << "Impossible\n";
  else {
    int i = (a + b - c) / 2;
    if (i > a || i > b || i < 0)
      cout << "Impossible\n";
    else
      cout << i << ' ' << b - i << ' ' << a - i << '\n';
  }
}
