#include <iostream>

using namespace std;

string f(int N)
{ string s = "";
  if (N == 0)
    return "0";
  while (N != 0)
  { char c = N % 10 + '0';
    string t = "";
    t = t + c;
    s = t + "," + s;
    N /= 10; }
  return s; }

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

    string result = f(x);

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