Program To Find Addition Of Three Number In C++

#include<iostream.h>

#include<conio.h>

 main()

 {

 clrscr();

 int a,b,d,c;

 cout<<"Enter first number=";

 cin>>a;

 cout<<"Enter second number=";

 cin>>b;

 cout<<"Enter third number=";

 cin>>c;

 d=a+b+c;

 cout<<d;

 getch();

 }