Sum of Digits in a number in C++

C++ PROGRAM TO FIND THE SUM OF DIGITS IN A NUMBER

Sample Test Case    :    Enter a number : 52342

Sample Test Case    :    Sum = 16

CODE

#include <iostream>

using namespace std;

int main()

{

 int n,m,sum=0;

 cout<<"Enter a number :"<<endl;

 cin>>n;

 while(n>0)

 {

     m=n%10;

     sum+=m;

     n/=10;

 }

 cout<<"Sum ="<<sum<<endl;

 return 0;

}