// Eg10-6.cpp
#include <iostream>
using namespace std;
void Errhandler(int n) throw() {
  try {
    if (n == 1)
      throw n;
    if (n == 2)
      throw "dx";
    if (n == 3)
      throw 1.1;
  } catch (...) {
    cout << "catch an exception..." << endl;
  }
}
int main() {
  Errhandler(1);
  Errhandler(2);
  Errhandler(3);
  
  return 0;
}