#include<stdio.h>
#incude<math.h>
int main()
{
    int v;
    scanf("%d",&v);
    if(v < 0)
    {
        printf("Invalid Input\n");
    }
    else
    {
        int originalnum = n;
        int numdigitd = 0;
        int temp = n;
        if(temp == 0)
        {
            numdigits = 1;
        }
        else
        {
            while(temp > 0)
            {
                temp /=10;
                numdigits++;
            }
        }
        int  sumofpowers = 0;
        temp = v;
        while (temp > 0)
        {
            int digit = temp % 10;
            sumofpowers += pow(digot,numdigits);
            temp /= 10;
        }
        if(sumodpowers == originalnum)
        {
            printf("armstromg\n");
        }
        else
        {
            printf("not armstrong\n");
        }
    }
    return 0;
}