Var a, b, c, v, s:integer;
begin
read(a, b, c);
writeln('V = ', a*b*c);
writeln('S = ', 2*(a*b+b*c+a*c));
end.
Var
i, n: integer;
a, s: real;
begin
readln(n);
a := 1;
s := a;
for i := 2 to n do
begin
a := a * -(i - 1) / i;
s := s + a;
end;
writeln(s:10:6);
end.
Var a,s:integer;
begin
a:=3000
while a<5000 do begin
a:=a+(a*0,2);
s:=s+1;
end;
print(s);
end.