#include <stdio.h>
 
int main()
{
    int i, a, num = 32765, n;
    int sum = 0;
 
    // extract 1st digit
    a = num % 10; // a is 5 (% returns the remainder of the division)
    n = num / 10; // n is 3276 (should be 3276.5, but int eats 0.5)
    sum = sum + a; // sum is 5 which is (0 + 5)
 
    // extract the remaining 4 digits
    for (i = 0; i < 4; i++) // i is 0, 1, 2, 3 
    {
        a = n % 10; // a is 6, 7, 2, 3
        n = n / 10; // n is 327, 32, 3, 0
        sum = sum + a; // sum is 11, 18, 20, 23
    }
 
    printf("the sum of five digits is %d", sum);
    return 0;
}

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