ВНИМАНИЕ!!! ОШЫИБКА НА КОДФОРСЕ!!!
Difference between ru1 and ru2, changed 2 character(s)
![ ](http://mirror.codeforces.com/predownloaded/dd/13/dd135cb55171a6e9cc35580726817cdebda59abf.jpg)↵
![ ](http://mirror.codeforces.com/predownloaded/42/25/4225ddb6854fc77721918fd17b59c4cfe34274bd.jpg)

History

 
 
 
 
Revisions
 
 
  Rev. Lang. By When Δ Comment
en1 English Huyum_nik 2015-08-12 00:38:02 217 Initial revision for English translation
ru2 Russian Huyum_nik 2015-08-12 00:31:45 2
ru1 Russian Huyum_nik 2015-08-12 00:26:34 219 Первая редакция (опубликовано)