#!/usr/bin/env python
import sys
from lsdeflate import *

if __name__ == "__main__":
    grouped_names = group_names_by_ext(sys.stdin)

    all_out = []
    for ext in grouped_names:
        all_out = all_out + list(map(lambda s: s + ext, 
                                     group_basenames(grouped_names[ext])))
    print("\n".join(all_out))
