#include <stdio.h>

int main()
{
    double kilo, high, BIM;
    scanf("%lf %lf", &kilo, &high);
    
    BIM = kilo / (high * high);
    
    if(BIM >= 18.5 && BIM <= 23.9)
    {
        printf("Normal");
    }else{
        printf("Abnormal");
    }
    
    return 0;
}