#include <math.h>
#include <stdio.h>
int main() {
   int num, originalNum, remainder, n = 0;
   float result = 0.0;
   printf("Enter an integer: ");
   scanf("%d", &num);
   originalNum = num;
   // store the number of digits of num in n
   for (originalNum = num; originalNum != 0; ++n) {
       originalNum /= 10;
   }
   for (originalNum = num; originalNum != 0; originalNum /= 10) {
       remainder = originalNum % 10;
      // store the sum of the power of individual digits in result
      result += pow(remainder, n);
   }
   // if num is equal to result, the number is an Armstrong number
   if ((int)result == num)
    printf("%d is an Armstrong number.", num);
   else
    printf("%d is not an Armstrong number.", num);
   return 0;
}