How to print the sum of a Number of 4 digit for loop c++ By Munavar Ahmad

How to print the sum of a Number of 4 digit  for loop c++ By Munavar Ahmad

#include<iostream>

using namespace std;

int main()

{

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

cout<<"Enter A number of 4 digits";

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 Digits is"<<" "<<sum;

return 0;

}