제출 #114373

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

NO
NO

YES
NO

2
8 9
3 5
2 6
7 2
2 8
4 2
5 4
1 5
2 3
1 2
5 1
3 1

NO
YES

YES
YES

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

YES
NO
YES

YES
YES
YES