Error 70021 (OTH+21)
     Memory is set 1123458 words short
     memory size 20000000
     Increase the memory size by one of the following
     where #### is the number of words requested:
       1) On the command line set - memory=####
       2) In the input file define memory with *KEYWORD
       i.e., *KEYWORD #### or *KEYWORD memory=####

memory要去那里设置呀，请老师们指导一下！感谢