wwww pee

diff --git a/16/16_tail.c b/16/_6_tail.c
similarity index 100%
rename from 16/16_tail.c
rename to 16/_6_tail.c

diff --git a/16/16_tail.h b/16/_6_tail.h
similarity index 100%
rename from 16/16_tail.h
rename to 16/_6_tail.h