#include<stdio.h>

int main()
{
	double m,h;
	double a,b;
	scanf("%lf %lf", &m,&h);
	b = m / h;
	a = b / h;
	
	if (a < 18.5) {
		printf("Underweight");
	}
	else if (a > 24) {
		printf("%.3lf\nOverweight", a);
	}
	else if ("a>=18.5&&a<24"){ 
		printf("Normal"); 
	}
	
	return 0;
}