Given a positive integer, n, return a, b, c and d, such that
1. n = a*sqrt(b)+c*sqrt(d)
2. a, b, c and d are all positive integers greater than 1
If a solution does not exist, set all four output variables to zero.
Example 1:
n = 41
a = 5
b = 16
c = 7
d = 9
Example 2:
n = 6
a = 0
b = 0
c = 0
d = 0
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