#include<stdio.h>
int main()
{
	float m, h, bmi;
	scanf("%f %f", &m, &h);
	bmi = m / (h * h);
	if (bmi < 18.5)
		printf("Underweight");
	if (bmi >= 18.5 && bmi < 24)
		printf("Normal");
	else
	{
		printf("%.6g\n", bmi);
		printf("Overweight");
	}
	return 0;
}