Note: (Restricted functionality due to obvious reasons!)
Minimal Code ( Raw-View ) :
#include<iostream.h>
#include<conio.h>
class cse
{
private: int a,b,t;
public :
void enter_nos()
{cout<<"Enter two number :"<<endl;
cin>>a;
cin>>b;
}
void show()
{cout<<"The sum of "<<a<<" and "<<b<<" = "<<a+b<<endl<<endl;}
}s1,s2;
void main()
{
s1.enter_nos();
s1.show();
line1:
s2.enter_nos();
s2.show();
cout<<endl<<endl<<"If you wish to continue with addition !!"<<endl;
cout<<"Press y : ";
char y;
cin>>y;
if(y=='y'){goto line1;}
}