입력된 두 값은? "
Warning: Undefined array key "a" in /users/2016/i1658054/public_html/2019/webprog/ch03/exam03-10.php on line 9
" 와(과) "
Warning: Undefined array key "b" in /users/2016/i1658054/public_html/2019/webprog/ch03/exam03-10.php on line 11
" 입니다.