#include<stdio.h>
#include<math.h>
void arm(){
    int n,m,s,k,sum=0;
    scanf("%d",&n);
    s=n;
    k=s;
    if(n<0){
        printf("Invalid Input");
        return 0;
    }
    int count=0;
    while(n>0){
        m=n%10;
        count=count+1;
        n=n/10;
    }
    while(s!=0){
        m=n%10;
        sum=sum+pow(m,count);
        s=n/10;
    }
    if(k==sum)
    printf("Armstrong");
    else
    printf("Not Armstrong");
    
}
int main(){
    arm();
    return 0;
}