Distance(Structure)

#include <iostream>

using namespace std;

struct distance
{
    int feet;
    double inches;
};

struct distance calc (struct distance a, struct distance b)
{
    struct distance r;

    r.inches = a.inches + b.inches;

    r.feet = a.feet + b.feet;

    if(r.inches > 11)
    {
        r.inches -= 12;
        r.feet++;
    }

    return r;
}

int main ()
{
    struct distance d1, d2, d3;

    cin >> d1.feet >> d1.inches >> d2.feet >> d2.inches;

    d3 = calc (d1, d2);

    cout << d3.feet << " " << d3.inches;

    return 0;
}