제출 #94205

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

YES
NO

YES
YES

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

YES
NO

YES
YES

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

YES
NO

YES
YES