ADD ENTERED DIGITS

WAP to add entered three digits

void main ()

{

int no,r,res;

clrscr ();

printf ("Enter any value: ");

scanf ("%d",&no);

r=res=0;

while (no>0)

{

r=no%10;

no=no/10;

res=(res+r);

}

printf ("Sum is %d",res);

getch ();

}