'''
Greatest Common Divider
math.gcd(x,y)
x > 0, y > 0
'''


# 12
gcd(60, 48)
# 4
gcd(44, 12)
# 5
gcd(69, 23)
# 0
gcd(0, 0)
5d14831db6bd1dd91557a31829d662cd57ca76bd
<mask token>

<mask token>
gcd(60, 48)
gcd(44, 12)
gcd(69, 23)
gcd(0, 0)

'''
Greatest Common Divider
math.gcd(x,y)
x > 0, y > 0
'''


# 12
gcd(60, 48)
# 4
gcd(44, 12)
# 5
gcd(69, 23)
# 0
gcd(0, 0)