#include
using namespace std;
class myclass {
int num;
public:
myclass(int x) {
num = x;
}
friend int isneg(myclass ob);
};
int isneg(myclass ob)
{
return (ob.num < 0) ? 1 : 0;
}
int main()
{
myclass a(-1), b(2);
cout << isneg(a) << ' ' << isneg(b);
cout << endl;
return 0;
}