#Import math Library

import math

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#find the� the greatest common divisor of the two integers

print (math.gcd(3, 6))

print (math.gcd(6, 12))

print (math.gcd(12, 36))

print (math.gcd(-12, -36))

print (math.gcd(5, 12))

print (math.gcd(10, 0))

print (math.gcd(0, 34))

print (math.gcd(0, 0))

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