input:

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

output:

1 9 
9
2 4 9 
9
3 6 9 9 
9
2 4 6 
4
5 4 6 6 6 7 
7
1 7 
7
2 5 7 
7
4 7 7 7 8 
7
3 7 7 10 
7
3 5 7 10 
7
3 3 5 7 
3
4 2 3 3 3 
3
3 3 7 10 
3
2 3 7 
3
1 3 
3
5 1 2 3 3 3 
3
3 2 3 5 
3
2 2 5 
5
1 2 
2
0 
-1

result:

wrong answer WA in query 3 two of elements to sort were equal