#include <iostream>
using namespace std;
class Distance
{
    public:
    int feet, inch;
    Distance(int f,int i)
    {
        this->feet=f;
        this->inch=i;
    }
    void operator-()
    {
        feet--;
        inch--;
        cout<<"\nfeet and inches are(decrement) :";
        cout<<feet;
        cout<<"\t"<<inch;
    }
};


int main() {
    Distance d1(5,10);
    -d1 ;
    return 0;
}