#include<stdio.h>
#include<math.h>
int main()
{
    int n,temp,rem,digits=0;
    double sum = 0;
    scanf("%d",&n);
    if(n < 0)
    {
        printf("Invalid Input\n");
        return 0;
    }
    temp = n;
    int t=n;
    while (t!= 0)
        {
            t/= 10;
            digits++;
        }
    temp = n;
    while(t!= 0)
    {
        rem= t % 10;
        sum += pow(rem, digits);
        t /= 10;
    }
    if(sum == n)
        {
            printf("Armstrong\n");

        else
            printf("Not Armstorng\n");
        return 0;
}