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