제출 #41702

2
4 4
1 2
3 2
3 1
4 1
2 1
1 2

YES
YES

NO
YES

2
6 7
5 3
2 1
5 1
4 1
6 1
3 4
2 3
6 7
5 1
3 2
1 2
1 4
1 6
1 3
4 2

NO
NO

YES
NO

3
6 8
1 6
3 5
1 3
2 5
2 1
4 3
6 4
4 2
4 2
2 1
3 1
5 3
1 3
3 2
3 4

NO
YES
YES

YES
YES
YES

1
6 5
1 2
1 3
4 5
5 6
6 4

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 42, in <module>
    if N - len(check) - len(check2) != 0:
TypeError: object of type 'int' has no len()

NO