# include <stdio.h>

double m, h, bmi;

int main () {
	scanf("%lf %lf",&m,&h);
	bmi = m / (h * h); 
	if (bmi < 18.5) 
		printf("Underweight");
	if (bmi >= 18.5 && bmi < 24)
		printf("Normal");
	if (bmi >= 24)
		printf("%.6g\nOverweight\n",bmi);
	return 0;
}