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.*;
import java.util.*;

public class Main {
    public static int MAXN = 1600;

    public static void main(String[] args) {
        Scanner cin = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);
        String str=cin.nextLine();
        
        out.print(str.charAt(0));
        out.print(str.length()-2);
        out.println(str.charAt(str.length()-1));
        out.flush();
        out.close();
        cin.close();
    }
}