Time Limit: 2 sec / Memory Limit: 256 MB
Score : 200200 points
Problem Statement
The word internationalization is sometimes abbreviated to i18n. This comes from the fact that there are 1818 letters between the first i and the last n.
You are given a string ss of length at least 33 consisting of lowercase English letters. Abbreviate ss in the same way.
Constraints
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3 ≤ |s| ≤ 1003≤∣s∣≤100 (|s|∣s∣ denotes the length of ss.)
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ss consists of lowercase English letters.
Input
Input is given from Standard Input in the following format:
ss
Output
Print the abbreviation of ss.