#include<stdio.h>
#include<math.h>
int main()
{
    int n, orginal, remainder, digits =0;
    double result = 0.0;
    scanf("%d", &n);
    if(n < 0) {
        printf("Invalid Input");
        return 0;
    }
    orginal = n;
    int temp = n;
    while(temp !=0) {
        temp /10;
        digits++;
    }
    temp = n;
    while(temp != 0){
        remainder = temp % 10;
        result += pow(remainder, digits);
        temp /= 10;
    }
    if((int)result == orginal)
    printf("Armstrong");
    else
    printf("Not Armstrong");
    return 0;
}