제출 #44225

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

NO
YES

YES
YES

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
3 2
1 3
1 2
9 7
2 9
6 1
9 1
9 3
2 6
4 6
3 6

YES
NO

YES
YES