新人求帮助，关于课程要求的问题

二妹拿命搞

楼主会计专业，准备申请美国研究生，在UIUC的官网上看到一个课程要求的表，

Required Courses	Required Hours
ACCY 501, ACCY 502, ACCY 503, ACCY 504, ACCY 505 or substitute graduate accountancy courses approved by a program advisor	20
Graduate electives with at least 4 hours credit in a non-accountancy graduate course	12
Total Hours	32

求问各位前辈ACCY501，ACCY502，ACCY503是什么意思呀，还有该校MAS和MSA两个program有没有什么区别，非常期待各位能够帮忙，不胜感激~~

Required Courses	Required Hours
ACCY 501, ACCY 502, ACCY 503, ACCY 504, ACCY 505 or substitute graduate accountancy courses approved by a program advisor	20
Graduate electives with at least 4 hours credit in a non-accountancy graduate course	12
Total Hours	32

Other Requirements: 1. Students shall earn least 24 of the 32 total graduate hours while enrolled in

earlytear

UIUC网站上好像有一个curriculum 页面，去查一下
MAS是给美本的，MSA是国际生