Where i am going wrong help

Question

#include <iostream>
using namespace std;

int main() {
int n,r,sum=0;
cout<<"Enter a number ";
cin>>n;
while (n>0){
r=n%10;
sum=sum+n;
n=n/10;
}
cout<<"\nthe sum of your digit is:"<<sum;
return 0;
}

Answer 1

sum=sum+n <-- should be r not n if you want the sum of the digits.

Answer 2

Oh my bad Thank you by the way