Enter any 4 digit number and print the sum of its 4 digits.

#include<iostream>

using namespace std;

int main()

{

int num,a,b,c,d,e,f,sum;

cout<<"Please enter a 4 digit number :";

cin>>num;

a=num%10;

b=num/10;

c=b%10;

d=b/10;

e=d%10;

f=d/10;

sum=a+c+e+f;

cout<<"The sum of the digits is "<<sum;

}