#include <iostream>
#include <exception>
using namespace std;
class Divide_By_Zero_Exception : public exception
{
  public:
  const char * what() const throw() {
    return "Divide By Zero Exception";}
};
int main()
{
  
  try
  {
    int a, b;
    cin>>a>>b;
    if(b==0)
    {
      Divide_By_Zero_Exception d;
      throw d;
    }
    else
    {
      cout<<a/b;
    }
  }
  catch(exception& e)
  {
    cout<<e.what();
  }
  return 0;
}