回文是指正向读和反向读都一样的一段数字或者文字,如321123或“able was I ere I saw elba”。编写程序,输入一个9位整数,并判断它是否是回文-Palindrome is a correction to the reading and reverse reading of the same period the number or text, such as 321,123, or　able was I ere I saw elba . Programming, enter a 9 integer, and determine whether it is a palindrome