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# Reverse Bits

Problem Description

Reverse the bits of an 32 bit unsigned integer A.

Problem Constraints

0 <= A <= 232

Input Format

First and only argument of input contains an integer A.

Output Format

Return a single unsigned integer denoting the decimal value of reversed bits.

Example Input

Input 1:

` 0`

Input 2:

` 3`

Example Output

Output 1:

` 0`

Output 2:

` 3221225472`

Example Explanation

Explanation 1:

```        00000000000000000000000000000000
=>      00000000000000000000000000000000
```

Explanation 2:

```        00000000000000000000000000000011
=>      11000000000000000000000000000000
```

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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