#include <iostream>
#include <cmath>
int countDigits(int number) {
int count = 0;
while (number != 0) {
number /= 10;
++count;
}
return count;
}
bool isArmstrong(int number) {
int originalNumber, remainder, result = 0, n = 0;
originalNumber = number;
while (originalNumber != 0) {
originalNumber /= 10;
++n;
}
originalNumber = number;
while (originalNumber != 0) {
remainder = originalNumber % 10;
result += std::pow(remainder, n);
originalNumber /= 10;
}
return (result == number);
}
int main() {
int num;
std::cout << "Enter an integer: ";
std::cin >> num;
if (isArmstrong(num))
std::cout << num << " is an Armstrong number." << std::endl;
else
std::cout << num << " is not an Armstrong number." << std::endl;
return 0;
}