SPOJ.com - Problem ACMNB

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ACMNB - ACM

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Các bạn download đề bài ở đây:

http://www.mediafire.com/view/6km31c2i179dag1/DeThiB.pdf

http://www.mediafire.com/view/70syx7w71i7r9ce/DeThiA.pdf

Input

Input description...

Output

Output description...

Example

Input:
etc.

Output:
etc.

Submit solution!

Added by:	VOJ Team
Date:	2013-12-17
Time limit:	1s
Source limit:	50000B
Memory limit:	1536MB
Cluster:	Cube (Intel G860)
Languages:	All except: ASM64
Resource:	PreVNOI 2013 Day 1, Problem 1, Thầy Hồ Đắc Phương