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Given, x2 + y2 = 2017
=> y2 = 2017 - x2
x: 0 1 2 3 ............. 44
y: ±√2017 ±√2016 ±√2013 ±√2008 ............. ±√80
So, there are total 90 pair of values of x and y
as (0, √2017), (0, -√2017), ............................(44, √80), (44, -√80)