diktat bab 2 (rasional)

#include <iostream>
#include <conio.h>

using namespace std;
class bil{
       friend ostream& operator<<(ostream&, bil&);
      friend istream& operator>>(istream&, bil&);
   public:
    bil();
    
   private:
           int a,b;
      };
   bil::bil(){
       cout<<"----------------------------------------"<<endl;
      cout<<"Program Bilangan Rasional "<<endl;
      cout<<"-----------------------------------------"<<endl;
      }
   istream& operator>>(istream& in, bil& mlebu){
       cout<<"masukan Bilangan Ke 1 = ";
       in>>mlebu.a;
       cout<<"masukan Bilangan ke 2 = ";
       in>>mlebu.b;
      return in;
      }
   ostream& operator<<(ostream& out, bil& metu){
       cout<<"Keluaran = ";
       out<<metu.a<<" / "<<metu.b;;
      return out;
      }
/* run this program using the console pauser or add your own getch, system("pause") or input loop */

   main(int argc, char** argv){
       bil x;
      cin>>x;
      cout<<x;
      getch();
   return 0;
   }