Palindromes should be reported all in uppercase characters. When two or more palindromes are reported, they should be separated by a space character. You may report palindromes in any order.
Palindromes should be reported all in uppercase characters. When two or more palindromes are reported, they should be separated by a space character. You may report palindromes in any order.
全部用大写字母来输出回文。当输出两个或更多回文时，应该用空格分隔。你可以用任意顺序输出回文。