제출 #41661

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

YESNO

YES
NO

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

NONO

YES
NO

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

NONO

YES
NO

2
9 2
2 1
3 1
4 1
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

2
3 1
1 3
8 3
2 7
7 1
7 3

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

3
3 1
1 2
7 2
3 1
1 2
3 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
YES