#include "MFSet.h"
void main(){
     PTree S;
	 Initial(S);
     cout<<"Traverse S"<<endl;
     traverse(S);
     
     mix_mfset(S,fix_mfset(S,1),fix_mfset(S,2));
	 mix_mfset(S,fix_mfset(S,2),fix_mfset(S,3));
	 mix_mfset(S,fix_mfset(S,1),fix_mfset(S,3));
  
	 traverse(S);

}