Problem R. A * B Problem Plus

时间限制 1000 ms   内存限制 32 MB
Calculate A * B.
 

输入数据

Each line will contain two integers A and B. Process to end of file.

Note: the length of each integer will not exceed 50000.
 

输出数据

For each case, output A * B in one line.
 

样例输入

复制 
1
2
1000
2

样例输出

复制 
2
2000

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BJTU Summer Training 2017 Lecture 10 Practice - Practical techniques and supplements

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