제출 #41677

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

YES
NO

YES
YES

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

YES
NO

YES
YES

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

YES
NO

YES
YES

2
4 2
4 2
1 4
5 1
2 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 46, in <module>
    if N - len(check) - len(check2) != 0:
NameError: name 'check2' is not defined. Did you mean: 'check'?

YES
YES

2
9 2
1 2
5 1
9 2
2 4
4 1

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 46, in <module>
    if N - len(check) - len(check2) != 0:
NameError: name 'check2' is not defined. Did you mean: 'check'?

YES
YES

2
4 1
2 1
8 3
2 1
2 3
1 4

런타임 에러 (RTE)
stderr:
 Traceback (most recent call last):
  File "Main.py", line 46, in <module>
    if N - len(check) - len(check2) != 0:
NameError: name 'check2' is not defined. Did you mean: 'check'?

YES
YES