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

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