// editor5
#include <stdio.h>
#include<math.h>
int main()
{
    long long n;
    scanf("%lld", &n);
    if(n < 0)
    {
        printf("Invalid Input");
        return 0;
        }
        if(n == 0)
        {
            printf("Armstrong");
            return 0;
        }
        long long temp =n;
        int digits = 0;
        while (temp > 0)
        {
            digits++;
            temp/= 10;
        }
        temp = n;
        long long sum = 0;
        while (temp > 0)
        {
            digit = temp % 10; 
            long long power = 1;
            for (int i = 0; i < digits; i++){
                power *= digit;
            }
            sum += power;
            temp/=10;
        }
        if (sum == n)
        printf(" Armstrong");
        else
        printf(" Not Armstrong");
        return 0;
}