перезагрузка cin, cout

#include <iostream>
 
using namespace std;
 
class Fractions{
 
public:
  Fractions(){num=0;drob=0;}
  void Set(char *);
  void Show();
  istream &operator>>(istream &,const Fractions &);
  ostream &operator<<(ostream &input,Fractions &);
private:
 int num;
 int drob;
 
};  
      
istream &operator>>(istream &input,const Fractions &ObjA)
{
        input.ObjA.num;
        return input;
        }
ostream &operator<<(ostream &output,Fractions &ObjA)
{
        output<<ObjA.num;
        return output;
        }
 
 
int main()
{
    Fractions ObjA,ObjB,ObjC;
    
    cin>>ObjA;
    cout<<ObjA;
    
    system("pause>0");
    return 0;
    
}

istream &operator>>(Fractions &Obj)
{
        cin>>Obj.num;
        cin>>Obj.drob;
        return *this;
        }
ostream &operator<<(Fractions &Obj)
{
        cout<<Obj.num;
        cout<<Obj.drob;
        return *this;
        }

istream &operator>>(istream &inp,Fractions &Obj)
{
        inp./*---*/Obj.num;
        inp./*---*/Obj.drob;
        
        return inp;
        
        }
ostream &operator<<(ostream &out,Fractions &Obj)
{
        out./*---*/Obj.num;
        out./*---*/Obj.drob;
        
        return out;
        
        }

istream &operator>>(istream &inp,Fractions &Obj)
{
        inp >> Obj.num;
        inp >> Obj.drob;
        
        return inp;
        
        }
ostream &operator<<(ostream &out,Fractions &Obj)
{
        out << Obj.num << endl;
        out << Obj.drob << endl;
        
        return out;
        
        }

friend ostream &operator<<(ostream &, Fractions &Obj)

operator<<(cout, ObjA)