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The Hamming distance between two integers is the number of positions at which the corresponding bits are different.

Given two integers `x`

and `y`

, calculate the Hamming distance.

**Note:**

0 ≤ `x`

, `y`

< 2^{31}.

**Example:**

Input:x = 1, y = 4Output:2Explanation:1 (0 0 0 1) 4 (0 1 0 0) ↑ ↑ The above arrows point to positions where the corresponding bits are different.

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