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Building Block

Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 8137    Accepted Submission(s): 2509


Problem Description
John are playing with blocks. There are N blocks (1 <= N <= 30000) numbered 1...N¡£Initially, there are N piles, and each pile contains one block. Then John do some operations P times (1 <= P <= 1000000). There are two kinds of operation:

M X Y : Put the whole pile containing block X up to the pile containing Y. If X and Y are in the same pile, just ignore this command.
C X : Count the number of blocks under block X

You are request to find out the output for each C operation.
 

Input
The first line contains integer P. Then P lines follow, each of which contain an operation describe above.
 

Output
Output the count for each C operations in one line.
 

Sample Input
6 M 1 6 C 1 M 2 4 M 2 6 C 3 C 4
 

Sample Output
1 0 2
 

Source
 

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