제출 #34544

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

NO
NO

YES
NO

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

NO
YES

YES
YES

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

YES
YES
NO

YES
YES
YES