#include<stdio.h>
#include<math.h>
int main()
{
    int n, orginal, remainder, digits = 0;
    double sum = 0;
    scanf("%d", &n);
    if(n < 0)
    {
        printf("Input Input");
        return 0;
    }
    orginal = n;
    int temp =n;
    if(temp)
    while(temp !=0)
    {
        temp /=10;
        digits++;
    }
    temp = n;
    while(temp !=0)
    {
        remainder = temp % 10;
        sum += pow(remainder, digits);
        temp /= 10;
    }
    if(int)sum == orginal)
    printf("Armstrong");
    else
    printf("Not Armstrong");
    return 0;
}