#D9158. List
List
List
For a dynamic list of integers, perform a sequence of the following operations. has a special element called END at the end of the list and an element of is indicated by a cursor.
- insert(): Insert before the element indicated by the cursor. After this operation, the cursor points the inserted element.
- move(): Move the cursor to the end by , if is positive. Move the cursor to the front by , if is negative.
- erase(): Delete the element indicated by the cursor. After this operation, the cursor points the element next to the deleted element. In case there is no such element, the cursor should point END.
In the initial state, is empty and the cursor points END.
Constraints
- The cursor indicates an element of or END during the operations
- Erase operation will not given when the cursor points END
- Moving distance of the cursor () does not exceed 1,000,000
- is not empty after performing all operations
Input
The input is given in the following format.
:
Each query is given by
0
or
1
or
2
where the first digits 0, 1 and 2 represent insert, move and erase operations respectively.
Output
Print all elements of the list in order after performing given operations. Print an element in a line.
Example
Input
5 0 1 0 2 0 3 1 1 2
Output
3 1
inputFormat
Input
The input is given in the following format.
:
Each query is given by
0
or
1
or
2
where the first digits 0, 1 and 2 represent insert, move and erase operations respectively.
outputFormat
Output
Print all elements of the list in order after performing given operations. Print an element in a line.
Example
Input
5 0 1 0 2 0 3 1 1 2
Output
3 1
样例
5
0 1
0 2
0 3
1 1
2
3
1
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