从键盘输入若干个字符，当输入字符”#”时中止输入。统计输入字符的个数，并将它们按输入时的逆序输出。如：

输入：inputstream#

输出：maertstupni

-keyboard input from a number of characters when the input character "#" at the suspension of the import. Statistics of the number of input characters, and their input by the reversal output. Such as : Admission : inputstream # output : maertstupni