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 Go (1.14.1) (judge verdict: Accepted)

package main

import (
	"fmt"
	"strconv"
)

func main() {
	// Code for B - i18n
	var s string
	fmt.Scanf("%s", &s)
	fmt.Println(s[0:1] + strconv.Itoa(len(s)-2) + s[len(s)-1:len(s)])
}