(@buy @sell @repair @s_repair )
%100
+5
+6
+99
+43
[@main]
ӭ.  л.\ \
 </@buy>  \
 </@sell>  \
 </@repair> \
 </@s_repair>\ 
 < /@exit>\

[@buy]
Щʲô?\ \ \
 < /@Main>

[@sell]
Ҫ.\ \ \
 < /@Main>

[@repair]
Ҫ?\
Ҫ.\ \
 < /@Main>

[~@repair]
޺,ӭ´.\ \
 < /@Main>

[goods]
()  10     5
      10     5
        10     5
ذ        10     5
ľ      10     5
ͭ      10     5
˫    10     5
̽        10     5
        10     5
ͭ      10     6
        10     6
˻        10     6
        10     6