Seconds to Hours, Minutes & Seconds

#include <iostream>

using namespace std;

int main()

{
    int num,horas,mins,seg;

    cout << "Este programa convierte segundos a minutos y segundos \n";

    cout<<"Ingrese los segundos"<<endl;

    cin>>num;

    mins = num / 60;
    seg = num % 60;
    horas = mins / 60;
    mins = mins % 60;

    cout<<"Son "<<horas<< "h "<<mins<<"m "<<seg<<"s";

return 0;
}