// editor5
#include <stdio.h>
#include <math.h>

void isArmstrong(int n){
    if (n < 0) {
        printf("Invalid Input\n");
        return;
    }
    
    int originalNum = n;
    int numDigits = 0;
    int temp = n;
    
    while (temp != 0) {
        temp /= 10;
        numDigits++;
    }
    
    int sum = 0;
    temp = n;
    
    while (temp != 0) {
        int digit = temp % 10;
        sum += pow(digit, numDigits);
        temp /= 10;
    }
    
    if (sum == originalNum) {
        printf("Armstrong\n");
    } else {
        printf("Not Armstrong\n");
    }
}
int main() {
    int num;
    
    scanf("%d", &num);
    isArmstrong(num);
    
    return 0;
}
}