请问A为什么是错的， notes 解释如下：
NOTE: Character values have been converted to numeric values at the places given by: (Line):(Column).
       64:45   65:19   
NOTE: Variable staff is uninitialized.
NOTE: Invalid numeric data, 'large' , at line 64 column 45.
capacity=150 airplanetype=0 staff=. _ERROR_=1 _N_=1