11C-PRACTICAL PROGRAM-6 SUM OF THE DIGITS

#include<iostream.h>
#include<conio.h>
void main()
{
  int r,n,sum=0;
cout<<"Enter the number";
cin>>n;
do
{
  r=n % 10;
  sum=sum+r;
  n=n/10;
}while(n !=0);
cout<<"\nsum of digits="<<sum;
}