#include <iostream>
#include <cassert>
#include <cstdlib>

using namespace std;

class Fraction
{
    int numer, denom;
public:
    Fraction(int n = 0, int d = 1) : numer(n), denom(d)
    {
        assert(denom!=0);	// make sure denom is not 0
    }
    friend ostream& operator<<(ostream& o, const Fraction& f)
    {
        return (o << f.numer << '/' << f.denom);
    }
};

int main()
{
    int i1, i2;
    cout << "Enter two ints => ";
    cin >> i1 >> i2;
    if (cin.good())
    {
        Fraction f(i1,i2);
        cout << f << endl;
    }
    else
        cerr << "Bad input\n";
    cout << "*** End of Program ***\n";
}