#include<stdio.h>
#include<math.h>
int main()
{
    int n, original, remainder, digits = 0;
    double sum = 0;
    scanf("%d", &n);
    if(n < 0) {
        printf("Invalid Input");
        return 0;
    }
    original = 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 == original)
    printf("Armstrong");
    else
    print("Not Armstrong");
    return 0;
}