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

int main() {
    double height,weight,BMI;
    scanf("%lf %lf",&weight,&height);
    BMI=weight/(pow(height, 2));
    if(BMI>=18.5&&BMI<=23.9) {printf("Normal");}
    else printf("Abnormal");
    return 0;
}