Check divisibility between two numbers in Python

Enter a: 12
Enter b: 3
a is divisible by b.
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Enter a: 4
Enter b: 12
b is divisible by a.
------------------------
Enter a: 12
Enter b: 7
a and b are not divisible.

def main():
	a = int(input("Enter a: "))
	b = int(input("Enter b: "))

	if a % b == 0:
		print("a is divisible by b.")
	elif b % a == 0:
		print("b is divisible by a.")
	else:
		print("a and b are not divisible.")


if __name__ == "__main__":
	main()