제출 #41671

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

YES
YES

YES
NO

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

YES
YES

NO
YES

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

YES
YES

YES
NO

2
5 1
2 1
5 2
3 1
1 4

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 44, in <module>
    if N - len(check) - len(check2) != 0:
NameError: name 'check2' is not defined. Did you mean: 'check'?

YES
YES

2
3 1
2 1
3 2
3 2
1 2

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 44, in <module>
    if N - len(check) - len(check2) != 0:
NameError: name 'check2' is not defined. Did you mean: 'check'?

YES
YES

2
2 1
1 2
6 2
3 2
3 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 44, in <module>
    if N - len(check) - len(check2) != 0:
NameError: name 'check2' is not defined. Did you mean: 'check'?

YES
YES