제출 #103745

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

YES
YES
YES

YES
NO
YES

2
9 12
5 2
1 9
5 1
2 3
1 6
1 2
2 4
7 1
8 1
1 4
3 1
6 2
3 2
1 3
2 1

YES
YES

NO
YES

3
3 3
2 1
3 1
2 3
9 10
1 6
1 4
1 5
1 2
7 1
3 2
1 3
1 9
1 8
2 4
9 1
2 1

NO
YES
YES

NO
NO
YES