#include<stdio.h>
#include<math.h>
int main()
{
    int num,orginalNum,remainder,n=0;
    double result=0.0;
    if(scanf("%d",&num)!=1)
    {
        printf("Invalid Input");
        return 0;
    }
    if(num<0)
    {
        printf("Invalid Input");
        return 0;
    }
    orginalNum=num;
    while(orginalNum!=0)
    {
        orginalNum/=10;
        n++;
    }
    orginalNum=num;
    while(orginalNum!=0)
    {
        remainder=orginalNum%10;
        result+=pow(remainder,n);
        orginalNum/=10;
    }
    if(int)result==num)
     printf("Armstrong");
    else
     printf("Not Armstrong");
    return 0;
}
    }
}