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BULK MAILING
Time Limit: 1000MSMemory Limit: 10000K
Total Submissions: 926Accepted: 266

Description

An organization that wishes to make a large mailing can save postage by following U.S. Postal Service rules for a bulk mailing. Letters in zip code order are bundled into packets of 10-15 letters each. Bundles may consist of letters in which all 5 digits of zip code are the same (5-digit bundles), or they may consist of letters in which only the first 3 digits of zip code are the same (3-digit bundles). If there are fewer than 10 letters to make up a bundle of either type, those letters are mailed first class.

Input

You are to write a program to read a data set of 5-digit zip codes, one per line, until end of input. Your program should count the number of 5-digit bundles, 3-digit bundles, and first class letters. You should include as many letters as possible in 5-digit bundles first, then as many as possible in 3-digit bundles, with as few bundles of 10 to 15 letters as possible. For example, if there are 31 letters with the same zip code, they must be combined into exactly three 5-digit bundles.
Not all zip codes in the data set will be valid. A valid zip code consists of exactly 5 digits (0-9), all of which cannot be 0. Non-numeric characters are not allowed. At the end of your output, print the invalid zip codes found. (Duplicates need only be printed once.)

Output

Print a report that lists 5-digit zip code bundles first, with the number of letters and number of bundles for each zip code. Next list all 3-digit zip code bundles with the same two counts, followed
by all zip codes that are not bundled and to be sent first class. At the end print totals of letters and bundles, followed by the number of invalid zip codes and a list of these. Single space the report, and print blank lines following the heading, before the total line, and between the three groups of zip codes. For 3-digit bundles, print the zip codes in the form dddxx, where ddd represents the three significant digits and xx represents the last two digits to be omitted. Your output should be similar to that shown in the sample.

Sample Input

95864
95864
95864
95867
95920
9j876
95616                 
95616                 
95747                 
95814                 
95818                 
95818                 
8976
95818                 
95818
95819                 
95819                 
00000
95819                 
95819                 
95819
95819                 
95819                 
95825
95825
95825
95825
95825
95826
95826
95826
95826
95826
95826
95827
8976
95833
95833
95833
95833
95819                 
95819
95819
95819
95833
95833
95833
95864
95864
95864
123456
95864
95864
95864
95864

Sample Output

ZIP         LETTERS     BUNDLES

95819          11           1
95864          10           1

958xx          25           2

95616           2           0
95747           1           0
95920           1           0

TOTALS         50           4

INVALID ZIP CODES

9j876
8976
00000
123456

Hint

you can copy the sample output to notpad,then you can see the real format of output.

Source

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