#include<stdio.h>
#include<math.h>
int countDigits(int num){
    int count = 0;
    while (num != 0){
        num /= 10;
        count++;
    }
    return count;
}
int isArmstrong(int n){
    int originalNum = n;
    int numDigits = countDigits(n);
    int sum = 0;
    while (n != 0){
        int digit = n % 10;
        sum += pow(digit, numDigits);
        n /= 10;
    }
    return (sum == oringinalNum);
}
int main()
{
    int n;
    scanf("%d",&n);
    if(n < 0){
        printf("Invalid Input");
    }else{
        if(isArmstrong(n)){
            printf("Armkstrong\n");
        }else{
            printf("Not Armstrong\n");
        }
    }
    return 0;
}