// editor5
#include<stdio.h>
#include<math.h>
int count_digits(int n)
{
    if(n==0)
    {
        return 1;
    }
    int count = 0;
    int temp = n>0 ? n : -n;
    while (temp>0)
    {
        temp/=10;
        count++;
    }
    return count;
}
int is_armstrong(int n, int num_digits)
{
    if(n<0) return 0;
    if(n==0) return 1;
    int original_num = n;
    int sum=0;
    int temp=n;
    while(temp>0)
    {
        int digit = temp%10;
        sum+=(int)round(pow(digit, num_digits));
        temp/=10;
    }
    return sum == original_num;
}
int main()
{
    int n;
    if(scanf("%d",&n) != 1)
    {
        return 1;
    }
    if(n<0)
    {
        printf("Invalid Input\n");
    }
    else
    {
        int digits = count_digit(n);
        if(is_armstrong(n, digits))
        {
            printf("Armstrong\n");
        }
        else
        {
            printf("Not Armstrong\n");
        }
    }
    return 0;
}