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 Julia (0.5.0) (judge verdict: Wrong Answer)

function abc069_b()

	# STEP.01
	# get the target date
	word = Base.readline( Base.STDIN )

	# STEP.02
	# output the result
	Base.println( Base.STDOUT, word[1], Base.length( word )-2, word[end] )

	# STEP.TRUE_END
	return Base.nothing

end

#===================================================================================#

Main.abc069_b()