A=1309020564363155364990198847863210152708042104341971929
M=input()

#S=set([3,5,7,11,13,17,19,23,29,31,37])
#S=set([3,5,7,11,13]) o=2
S=set([17,19,23,29,31,37])
if M in S:
	print "even"
else:
	assert 0