Cpp program to accept a integer number and find its sum of digit

Write a program to accept a integer number from user and find its sum of digit.

Sample 1:

Input : 123

Output : sum of Digit : 6

Sample 2:

Input : 1234

Output : Sum of Digit : 10

#include<iostream>
using namespace std;
int main(){
     int num,digit,sum=0;
     cout<<"Enter any integer number";
     cin>>num;
     while(num>0) {
          digit=num%10; //get the last digit of the number
          sum=sum+digit; //add the last digit to the sum
          num=num/10; //remove the last digit from the number
     }
     cout<<"Sum is:"<<sum;
     return 0;
}

Enter any integer number 456

Sum is:15