Untitled

#include <iostream>
using namespace std;

void Solve(double a, double b, double& c, double& d);
int main(){
	double radius ,height,areaC =0,V =0;
	cin >> radius >>height ;

	Solve(radius ,height,areaC,V);
	cout << areaC << " " << V;
	return 0;


}
void Solve(double a, double b, double& c, double &d) {
	c = a * a * 3.14159;
	d= c * b;

	return;
}