#include<stdio.h>
#include<math.h>
int main()
{
    int n, original, sum = 0;
    scanf("%d",&n);
    if(n<0)
    {
        printf("Invalid Input\n");
        return 0;
    }
    original = n;
    int digits = (n == 0) ? 1 : (int)log10(n) + 1;
    while (n > 0 )
    {
        int digits = n % 10;
        sum += pow(digit, digits);
        n/= 10;
    }
    if(sum == original)
    {
    printf("Armstrong\n");
    }
    else
    {
    printf("Not Armstrong\n");
    }
    return 0;
}