def is_Even（number）:
if number == 1:
return False
elif number == 2:
return True
elif number == 3:
return False
elif number == 4:
return True
elif number == 5:
return False
elif number == 6:
return True
elif number == 7:
return False
elif number == 8:
return True
elif number == 9:
return False
elif number == 10:
return True
elif number == 11:
return False
# ...
else:
return "몰루?"