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 C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;
using static System.Console;
public class Hello{
    public static void Main(){
//        string[] a = ReadLine().Split(' ');
//        int x = int.Parse(a[0]);
//        int y = int.Parse(a[1]);
//        int z = int.Parse(a[2]);
        string b = ReadLine();
//        int count = 0;
//        if(b[0] == 'o'){ count++; }
//        if(b[1] == 'o'){ count++; }
//        if(b[2] == 'o'){ count++; }
        
        WriteLine("{0}{1}{2}",b[0],b.Length-2,b[b.Length-1]);
    }
}