입력된 두 값은 "
Warning: Undefined array key "a" in /users/2019/i1919071/public_html/2022/WebProg/ch03/exam03-10.php on line 9
" 와 (과) "
Warning: Undefined array key "b" in /users/2019/i1919071/public_html/2022/WebProg/ch03/exam03-10.php on line 11
" 입니다.