#include <stdio.h>
#include<string.h>

int main() {
    int n, original, temp, digit, count = 0, sum = 0;
    int len;
    len=strlen(n);

    scanf("%d", &n);

    if (n < 0) {
        printf("Invalid Input\n");
        return 0;
    }

    original = n;
    temp = n;
    

    temp = n;

    while (temp != 0)
    {
        digit = temp % 10;

        int power = 1;
        for (int i = 0; i < len; i++) 
        {
            power *= digit;
        }

        sum += power;
        temp /= 10;
    }

    if (sum == original) {
        printf("Armstrong\n");
    } else {
        printf("Not Armstrong\n");
    }

    return 0;
}