A bank account number is a sequence of 20 digits. The first four correspond to the code of the bank, the next four to the code of the office, followed by two control digits, and finally ten digits corresponding to the account number in that bank and office.
Write a program that given a list of bank account numbers, groups them by the bank they belong to, and produces a sorted list of banks, and for each bank, the total number of accounts and the list of those accounts, also sorted.
Input
The input is a sequence of bank account numbers, each of exactly 20 digits. You can assume there are no duplicate accounts in the list.
Output
The output is a sorted list of bank codes. For each bank code, the total number of accounts in that bank followed by a sorted list of account numbers is given. Follow the format in the examples.
Input
21000924509346087124 01129090843246676765 21002398382010141311 21006325234524234534 23120988009099091341 23123566898809991420 41016420767778101143 01129800131444123520
Output
0112: 2
9090-84-3246676765
9800-13-1444123520
2100: 3
0924-50-9346087124
2398-38-2010141311
6325-23-4524234534
2312: 2
0988-00-9099091341
3566-89-8809991420
4101: 1
6420-76-7778101143