#include <stdio.h>
#include <stdlib.h>
#include <math.h>

int main(int argc, char *argv[]) {
    if (argc != 2) {
        printf("Invalid input\n");
        return 0;
    }

    int n = atoi(argv[1]);

    // Check for negative input
    if (n < 0) {
        printf("Invalid input\n");
        return 0;
    }

    int temp = n, digits = 0;
    while (temp > 0) {
        digits++;
        temp /= 10;
    }

    temp = n;
    int sum = 0;
    while (temp > 0) {
        int digit = temp % 10;
        sum += (int)pow(digit, digits);
        temp /= 10;
    }

    if (sum == n)
        printf