#include <stdio.h>
#include <math.h>
int main() {
    float weight,height,BMI;
    scanf("%f %f",&weight,&height);
    BMI = weight /(pow(height,2));
    if(BMI >= 18.5 && BMI <= 23.9){
    printf("Normal");    
    }
    else{
    printf("Abnormal");
    }
    
    return 0;
}