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

int main() {
    int num, o, remainder, digits = 0;
    double result = 0.0;

    scanf("%d", &num);

    if (num < 0) {
        printf("Invalid input");
        return 0;
    }

    o = n;

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


    temp = n;
    while (temp != 0) {
        remainder = temp % 10;
        result += pow(remainder, digits);
        temp /= 10;
    }

    if ((int)result == o)
        printf("Armstrong Number");
    else
        printf("Not Armstrong Number");

    return 0;
}

printf("Hello, World!");
return 0;
}