#include <stdio.h>

int main()
{
    float height = 0;
    float weight = 0;
    scanf("%f %f", &weight, &height);//输入身高体重
    float BMI = weight / (height * height);//BMI计算公式

    if (BMI >= 18.5 && BMI <= 23.9)//正常的条件
    {
        printf("Normal\n");
    }
    else {
        printf("Abnormal\n");
    }

    return 0;
}