, please expand it into a continued fraction.
A continued fraction is an expression of the form: a_0+dfrac{1}{a_1+dfrac{1}{a_2+dfrac{1}{ddots+dfrac{1}{a_n}}}} a + a 1 + a 2 + ⋱+ a n 1 1 1 1 where a_0,a_1,ldots,a_n a ,a 1 ,…,a n are nonnegative integers. Given a fraction frac{x}{y} y x (x,y are positive integers), please expand it into a continued fraction.
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