// This program illustrates exception handling.
#include <iostream>
using namespace std;

// Function prototype
double divide(double, double);

int main()
{
    int num1, num2;
    double quotient;

    cout << "Enter two numbers: ";
    cin >> num1 >> num2;
    try
    {
        quotient = divide(num1, num2);
        cout << "The quotient is " << quotient << endl;
    }
    catch (char *exceptionString)
    {
        cout << exceptionString;
    }
    cout << "End of the program.\n";
    return 0;
}

double divide(double numerator, double denominator)
{
    static char *str = "ERROR: Cannot divide by zero.\n";

    if (denominator == 0)
        throw str;
    else
        return (numerator/denominator);
}