#!/usr/bin/env nix-shell
#! nix-shell -i python3 --pure
#! nix-shell -p python3

import random
import sys

for line in sys.stdin:
    nl = ""
    word = ""
    for c in line:
        if c.isalpha():
            word += c
        else:
            if len(word) > 3:
                wrd = list(word)[1:-1]
                random.shuffle(wrd)
                nl += word[0] + "".join(wrd) + word[-1]
            else:
                nl += word
            word = ""
            nl += c
    print(nl, end="")