http://xgm.guru/p/100/180339

,     -gold X.   - - 

 -  1 () types a chat message containig "" as ===
 ===    ""  " "

  - ,     ,   .   ,   .   (. substring,  ,     ).   ,  ,    .

.     (. string) - substring
 - Substring (Entered chat string, 1, 6) == "-gold "

 Substring   -     . ,   ,      "-gold "  ,   (   1  6 ,  ). 

set U= S2I (Substring (Entered chat string, 7, 16) )

    7  16   .   - .    ,      .    ,    S2I.    .

  String Length (.  ,  ""    3 ,   ,      -   .)

   16,    .  ,     ,      .  7  16 - 9  -   .      ,  .     -  String Length. ,   . 

set U= S2I (Substring (Entered chat string, 7, Length of (Entered chat string)) ) //

=============================================================

:   ,     .    -    .      2 . , ""   10  ( 1  10). ,     , ,  "+"  "-"        .     " +1",    12  ( 1  12): 5    2 .