Problem A: 合并两个有序链表
Memory Limit：128 MB
Time Limit：1.000 S
Judge Style：Text Compare
Creator：
Submit：250
Solved：40
Description
合并两个有序链表
Input
A:1,5,9,10,12
B:2,3,4,6,7,13,14
B:2,3,4,6,7,13,14
Sample Input Copy
A:1,5,9,10,12
B:2,3,4,6,7,13,14Sample Output Copy
1,2,3,4,5,6,7,9,10,12,13,14