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 (Clang 3.8.0) (judge verdict: Accepted)

#include<string.h>
#include<stdio.h>
const int N=100;
char a[N];
 
int main()
{
      while(gets(a))
      {
            int n=strlen(a);
 
 
  printf("%c",a[0]);
  printf("%d",n-2);
  printf("%c\n",a[n-1]);
 
      }
 
}