Concurrent Lines

While playing in the plains, Chef found a point $A$ with coordinates $(X, Y)$. Chef is interested in finding the number of [straight lines](https://en.wikipedia.org/wiki/Line_(geometry)) passing through the point $A$ such that their [intercepts](https://en.wikipedia.org/wiki/Y-intercept) on both axes are **positive integers**. ### Input - First and only line of input contains two integers $X$ a