// throw0.cpp

#include <iostream.h>

int main(void)
{
  int i;  double x;

  cout << "Anna kokonaisluku >"; cin >> i;

  try {
    if ( i == 0 ) throw int();
    x = 1.0/i; cout << x << "\n";
  }
  catch ( ... ) {
    cout << "Nollalla jako?\n";
    return 0;
  }

  cout << "Täällä ollaan onnellisesti!\n";
  return 0;
}