SPC_PCHTeam

var _readable_var_class_int_isNum_:integer;
begin
    read(_readable_var_class_int_isNum_);
    if _readable_var_class_int_isNum_ = 0 then write('0')else
        if _readable_var_class_int_isNum_ > 0 then write('1') else write('-1');
end.
//scripted by Sergey (PyCode Hub Team) PCHTeam