제출 #57481

5
5 1
1 2
4 1
3 2

1
1
1
2

1
2
1
1

5
1 2
3 1
2 4
1 5

1
1
1
2

1
1
2
1

5
1 5
2 1
1 3
2 4

1
1
1
2

1
1
2
1