A=1309020564363155364990198847863210152708042104341971929
M=input()
D=1
while M%2==0:
	M /= 2
	D *= 2

if M==1:
	print "odd"
else:
	MM=A%M
	while D>1 and MM%2==0:
		MM /= 2
		D /= 2

	if MM%2==0:
		print "even"
	else:
		print "odd"