Note: (Restricted functionality due to obvious reasons!)
Minimal Code ( Raw-View ) :
#include<iostream.h>
#include<conio.h>
add(int &a, int &b)
{
a=a+b;
return(a);
}
void main()
{
int x,y;
cout<<"Enter two numbers : "<<endl;
cin>>x>>y;
add(x,y);
cout<<"The sum is : ";
cout<<x;
int j,k;
cout<<endl<<"Enter two numbers : "<<endl;
cin>>j>>k;
add(j,k);
cout<<"The sum is : "<<j;
getch();
cout<<endl<<"And now"<<endl<<x<<" + "<<j<<" = "<<add(x,j);
}