(@buy @sell @repair @s_repair)
%100
+15
[@main]
ӭΪʲô\ \
 </@buy>  ͷ\
 </@sell>  ͷ\
 </@repair>ͷ\
 </@s_repair>\
 < /@exit>\

[@buy]
ʲôͷ\ \ \
 < /@Main>

[@sell]
Ҫͷҿ\
һۡ\
 < /@Main>

[@repair]
޲ͷ.\ \ \
 < /@Main>

[~@repair]
ȥѾˡ\ \ \
 < /@Main>

[@s_repair]
Сãԭϣ۸\
ͨӴҾͿ׬Ǯˡ\ \
</@main>

[goods]
ͭͷ        5     10
ħͷ        5     10
