#include <iostream>

using namespace std;


string digit[] = { "0", "1", "2", "3", "4", "5", "6", "7", "8", "9" };


string f(int N)
{ int R = N % 10,
      Q = N / 10;
  string s = "";
  if (Q > 0)
    s = f(Q);
  return s + digit[R] + " "; }


int main()
{ while (true)
  { int x;
    cout << "? ";
    cin >> x;
    cout << "\n";

    string result = f(x);

    cout << result << "\n\n"; } }