#include<iostream>
using namespace std;
int main()
{
double r;
double h;
double pi=3.14;
cin>>r>>h;
double L,s,area,v,z;
L=2*pi*r;
s=pi*r*r;
area=2*s+L*h;
v=(4/3)*r*r*r;
z=s*h;
cout<<setiosflags(ios::fixed)<<setprecision(2);
cout<<"L="<<L<<" "<<"s="<<s<<" "<<"area="<<area<<" "<<"v="<<v<<" "<<"z="<<z<<endl;
return 0;
}