class Q {
 public: Q addMSecs();
 unsigned ds;
 };
   class K {
 Q getLengthInfo();
 Q msToTime();
 };
   Q K::getLengthInfo() {
 return msToTime();
 }
    Q K::msToTime() {
 Q t;
 t = t.addMSecs();
 return t;
 }