입력된 두 값은 "
Warning: Undefined array key "a" in /users/2018/i1858056/public_html/2022/WebProg/ch03/exam03-10.php on line 11
" 와(과) "
Warning: Undefined array key "b" in /users/2018/i1858056/public_html/2022/WebProg/ch03/exam03-10.php on line 13
" 입니다.