#include <iostream>

class DivideByZero {
private:
    std::string message;
public:
    DivideByZero() : message("ERROR: Division by zero") {
    }
    void print() {
        std::cout << message << std::endl;
    }
};

//float divide(int numerator, int denominator) throw (DivideByZero) { //only DivideByZero exception is allowed
//float divide(int numerator, int denominator) throw () { //no exceptions allowed
float divide(int numerator, int denominator) {    // all exceptions allowed
    if (denominator==0) throw DivideByZero();
    return (float)numerator/denominator;
}

void first() {
  int num1=1, num2=0;
  try {
     float res=divide(num1, num2);
     std::cout << "Result = " << res << std::endl;
  } catch (DivideByZero e) {
      e.print();
  }
}
/**/
/*
void second() {
    int num1=1, num2=0;
    float res=divide(num1, num2);
    std::cout << "Result = " << res << std::endl;
}

void first() {
    try {
        second();
    } catch (DivideByZero e) {
        e.print();
    }
}
*/

int main() {
    first();
    //second();
    return 0;
}