C++ Program to find Sum of the digits given a number

In this Program example user can enter the digit and display the sum of in output.

Program -

#include<iostream.h>

#include<conio.h>

void main()

{

int a,d,sum=0;

clrscr();

cout<<"\n enter the number:";

cin>>a;

while(a>0)

{

d=a%10;

a/=10;

sum+=d;

}

cout<<"sum="<<sum;

getch();

}

Output - 

enter the number:234

sum=9