#include<stdio.h>
#include<math.h>
int main()
{
    int n;
    scanf("%d",&n);
    if(n < 0)
    {
        printf("Invalid Input\n");
    }
    else
    {
        int originalNum = n;
        int numDigits = 0;
        int temp =n;
        if(temp == 0)
        {
            numDigits = 1;
        }
        else
        {
            while(temp > 0)
            {
                temp /=10;
                numDigits++;
            }
        }
            int sumOfpower = 0;
            temp = n;
            while(temp > 0)
            {
                int digit = temp % 10;
                sumOfpower += pow(digit,numDigits);
                temp /=10;
            }
            if(sumOfpower == originalNum)
            {
                printf("Armstrong\n");
            }
            else
            {
                printf( "Not Armstrong\n");
            }
        }
        return 0;
    }
}