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#include <bits/stdc++.h>



using


namespace


std;



int


main()



{






float


r,h;





cin>>r>>h;





float


C1,Sa,Sb,Va,Vb;





C1=2*3.14*r;





Sa=3.14*r*r;





Sb=4*3.14*r*r;





Va=4*3.14*r*r*r/3;





Vb=Sa*h;





printf


(


"C1=%.2lf\n"


,C1);





printf


(


"Sa=%.2lf\n"


,Sa);





printf


(


"Sb=%.2lf\n"


,Sb);





printf


(


"Va=%.2lf\n"


,Va);





printf


(


"Vb=%.2lf\n"


,Vb);





return


0;



}