// editor3
#include<stdio.h>
#include<math.h>
int main()
{
    int n, num, digit = 0, sum = 0;
    scanf("%d", &n);
    if (n < 0)
    {
        printf("Invalid Input\n");
        return 0;
    }
    num - n;
    do
    {
        digit++;
        num/10;
    }
    while (num !=0);
    num = n;
    while (num !=0);
    {
        int digit = num % 10;
        sum +=pow(digit, digit);
        num/-10;
    }
    if(sum == n)
    printf("Armstrong\n");
    else
    printf("Armstrong\n");
    return 0;
}