procedure f(Var l:integer;Var p:real);
begin
p:=1;
k:=12;
for i:=1 to l do
begin
p:=p*(k/((i+1)*2));
k:=k+10;
end;
end;
procedure f(Var l:integer;Var p:real);
begin
p:=1;
k:=12;
for i:=1 to l do
begin
p:=p*(k/((i+1)*2));
k:=k+10;
end;
end;