\[ \frac {1}{x} + \frac {1}{y}= \frac{1}{2} \]

There are \(n\) ordered pairs of integers \( (x, y) \) to the above equation.

Input your answer as the sum of all \(n\) values of \( x + y \).

Note: \((a,b)\) is different from \((b,a)\) as long as\(a\neq b\)

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