#include <stdio.h>

int main()
{
	float h = 0.0f;
	float w = 0.0f;
	float BMI = 0.0f; 
	scanf("%f %f", &w, &h);
	BMI = w / (h * h);
	if (BMI >= 18.5 && BMI <= 23.9)
	{
		printf("Normal\n"); 
	}
	else
	{
		printf("Abnormal\n"); 
	}
	return 0; 
}