#include <iostream>
#include <fstream>
#include <unistd.h>

using namespace std;

int main()
{
  cout << "! " << 1 << "\n";
  cout.flush();
  usleep(200);

  std::ofstream out ("cbinteractiv.out");
  out << "913611539 \n0";
  out.close();
  return 0;
}