제출 #148134

1 7
1 8

1 1
yes

yes

4 12
38 50
22 34
10 22
51 63

1 10
2 22
3 38
4 51
yes

yes

7 8
10 26
10 26
10 26
10 26
10 26
10 26
10 26

7 10
7 17
7 24
no

no