#include <stdio.h>
int main ()
{
	float r,h,v,m;
	scanf ("%f %f", &r, &h);
	if (h>=0 && h<=5 && r<=5 && r>=0)
	  {
	  	double v=3.14115926*r*r*h/3;
	  	double m=7.8*1000*v;
	  	printf ("%.6lf", "%.4lf", v, m);
	  }
	else printf ("problem");
	return 0;  	
}
//这个运行结果是0