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A+B Coming

Time Limit: 5000/1000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 225    Accepted Submission(s): 131


Problem Description
Many classmates said to me that A+B is must needs.
If you can¡¯t AC this problem, you would invite me for night meal. ^_^
 

Input
Input may contain multiple test cases. Each case contains A and B in one line.
A, B are hexadecimal number.
Input terminates by EOF.
 

Output
Output A+B in decimal number in one line.
 

Sample Input
1 9 A B a b
 

Sample Output
10 21 21
 

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