usr_inp = input().split()

output = ''
for word in usr_inp:
    if len(word) >= 3:
        for ch in word:
            ch = ord(ch)+1
            output += chr(ch)

    else:

        output += word
    output += ' '


splited_output = output.split()

encoded_message = ''
for word in splited_output:
    if len(word) >= 3:
        encoded_message += word[0]
        encoded_message += str(len(word[1:-1]))
        encoded_message += word[-1]
        encoded_message += ' '
    else:
        encoded_message += word + ' '


print(encoded_message)