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Problem Description

You are given two numbers A and B.

You have to add them without using arithmetic operators and return their sum.

Problem Constraints
1 <= A, B <= 109

Input Format
The first argument is the integer A. The second argument is the integer B.

Output Format
Return a single integer denoting their sum.

Example Input
Input 1:

``````A = 3
B = 10
``````

Input 2:

``````A = 6
B = 1
``````

Example Output
Output 1:

``````13
``````

Output 2:

``````7
``````

Example Explanation
Explanation 1:

``3 + 10 = 13``

Explanation 2:

``````6 + 1 = 7.
Note, you have to add without using arithmetic operators.
``````

NOTE: You only need to implement the given function. Do not read input, instead use the arguments to the function. Do not print the output, instead return values as specified. Still have a question? Checkout Sample Codes for more details.
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## Discussion

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