// editor5
#include<stdio.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 symOfPowers = 0;
        temp = n;
        while (temp > 0)
        {
            int digits = temp % 10;
            symOfPowers += pow(digits, numDigits);
            temp /=10;
        }
        if (symOfPowers == originalNum)
        {
            printf("Armstrong\n");
        }
        else
        {
            printf("Not Armstrong\n");
        }
    }
    return 0;
}