#include <iostream>

using namespace std;

const int DivideByZero = 1;
const int DivideZero = 2;

int main() {
	int a, b;
	cout << "Enter a: "; cin >> a;
	cout << "Enter b: "; cin >> b;
	try {
		if( !b ) 
			throw DivideByZero;
		if( !a )
			throw DivideZero;
		else
			cout << a/b;
	} catch (int e) {
		if( e == DivideByZero )
			cout << "Error: " << e << ": Divide by zero" << endl;
		else if( e == DivideZero )
			cout << "Error: " << e << ": Divide zero" << endl;
	}

	system("pause");
}