#include <iostream>
#include <cmath>
using namespace std;
int main(){
   float type1,type,a,b,c,P,H,R,V,S;
   P=3.14;
   cout<<"1 shar"<<endl<<"2 kvadrat"<<endl;
   cin>>type1;
   if (type1==1){
       cin>>type;
       if (type==1){
           cin>>R;
           float k = 4/3;
           V=k*P*R*R*R;
           cout<<"V = "<<V<<endl;
       }
       if (type==2){
           cin>>R;
           S=4*P*R*R;
           cout<<"S = "<<S<<endl;
       }
       if (type==3){
           cin>>R;
           S=P*R*R;
           cout<<"S = "<<S<<endl;
       }
   }
   if (type1==2){
       cin>>type;
       if(type==1){
           cin>>a>>b>>c;
           V=a*b*c;
           cout<<"V = "<<V<<endl;
       }
       if (type==2){
           cin>>a>>b>>c;
           S=2*(a*b)+2*(a*c)+2*(b*c);
           cout<<"S = "<<S<<endl;
       }
       if (type==3){
           cin>>a>>b;
           S=a*b;
           cout<<"S = "<<S<<endl;
       }

   }
}