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

int main() {
    int n, temp,digits = 0;
    int original;
    long long sum = 0;
    
    if (scanf("%d",&n) !=1)  {
        return 0;
    }
    if(n < 0) {
        printf("Inavalid Input");
        return 0;
    }
    
      original = n;
      
      if (n == 0) {
          digits = 1;
      } else {
          temp = n;
          while (temp !=0) {
              digits++;
              temp /= 10;
          }
      }
      
      temp; n
      while( !=0) {
          int d=temp % 10;
          sum += (long long)pow(d,digits);
          temp /= 10;
          
      }
      if (sum == original) {
          printf("Armstrong");
      } else {
          printf("Not Armstrong");
      
      } 
         return 0;
}