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from math import sqrt
def is_stealthy(n):
factors = []
for i in range(1, int(sqrt(n)) + 1):
if n % i == 0:
factors.append((i, n // i))
for i in range(len(factors)):
for j in range(i, len(factors)):
a, b = factors[i]
c, d = factors[j]
if a + b == c + d + 1:
return True
return False
print(is_stealthy(36)) # Output: True
print(is_stealthy(12)) # Output: True
print(is_stealthy(6)) # Output: False
#!/usr/bin/env python
# -*- coding: utf-8 -*-
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