#include<stdio.h>
#include<math.h>
int main(){
    int n, originalN, numDigits = 0, sum = 0, temp;
    scanf("%d", &n);
    if(n < 0) {
        printf("Invaloid Inputs\n");
        return 0;
    }
    originalN = n;
    temp = n;
    do {
        numDigits++;
        temp /= 10;
    }while (temp != 0);
    temp = n;
    while (temp != 0) {
        sum += pow(temp % 10, numDigits);
        temp /= 10;
    }
        if (sum == originalN){
            printf("Armstrong\n");
        } else{
            printf("Not Armstrong\n");
        }
        return 0;
    }
        }