Problem:
Score : 200 points

Problem Statement

The word internationalization is sometimes abbreviated to i18n.
This comes from the fact that there are 18 letters between the first i and the last n.

You are given a string s of length at least 3 consisting of lowercase English letters.
Abbreviate s in the same way.

Constraints

3 ≤ |s| ≤ 100 (|s| denotes the length of s.)

s consists of lowercase English letters.

Input

Input is given from Standard Input in the following format:

s

Output

Print the abbreviation of s.

Sample Input 1

internationalization

Sample Output 1

i18n

Sample Input 2

smiles

Sample Output 2

s4s

Sample Input 3

xyz

Sample Output 3

x1z

Solution in Java8 (OpenJDK 1.8.0) (judge verdict: Accepted)

    import java.io.BufferedReader;
    import java.io.InputStreamReader;

    public class Main {
        public static void main(String[] args)throws Exception {
            BufferedReader input = new BufferedReader(new InputStreamReader(System.in));
            String word = input.readLine();
            System.out.println(word.charAt(0) + String.valueOf(word.length() - 2) + word.charAt(word.length() - 1));
        }
    }