#include<stdio.h> #include<math.h>

int main()
{
	double m,h,t;
	scanf("%lf%lf",&m,&h);
	t=1.0*m/(1.0*h*h);
	if(t<18.5) 
	{
	printf("Uderweight");
	}
	else if(t>=18.5&&t<24)
	{
		printf("Normal");
	}
	else if(t>=24)
	{
		printf("%f,Overweight"),t;
	}
	return 0; 
}