입력된 값은 "
Warning: Undefined array key "a" in /users/2021/i2151037/public_html/2022/WebProg/ch03/exam03-10.php on line 9
" 와(과) "
Warning: Undefined array key "b" in /users/2021/i2151037/public_html/2022/WebProg/ch03/exam03-10.php on line 11
" 입니다.