NN	ID	GRADE
1	3662	B+
2	7762	A
3	7650	B+
4	0203	B+
5	8480	A
6	7939	INC
7	0589	B+
8	9643	B
9	9947	B
10	9401	B+
11	5125	B
12	1316	A
13	5308	A
14	9375	B+
15	4907	A
16	6642	A
17	3592	A
18	1992	C+
19	0199	B
20	9381	C+
21	1706	B+
22	1575	B+
23	3438	B+
24	6158	C+
25	2157	A
26	1202	A
27	4320	B+
28	0717	B+
29	9220	B
30	2973	B
31	3860	B+
32	9721	B
33	1788	A
34	1109	B
35	5285	B
36	5405	B
37	7195	B+