var
pr,i : integer;
begin
pr := 1;
i := 10;
repeat
pr *= i;
i := i - 2;
until i < 0;
writeln(pr);
end.
var
pr,i : integer;
begin
pr := 1;
i := 10;
repeat
pr *= i;
i := i - 2;
until i < 0;
writeln(pr);
end.