P1901 - Replacement of character string - 程序设计在线测试

内存限制：128 MB 时间限制：1.000 S

评测方式：文本比较命题人：

提交：22 解决：16

Please implement it by programming: remove all letters in a line of string, replace non-digits and non-letter characters with'.',

There are several lines of input, and each line is composed of characters and spaces.

Output as required.

12345hhjjk<>????0098
mmm.890

12345......0098
.890

1901: Replacement of character string