A=1309020564363155364990198847863210152708042104341971929
M=input()

#S=set([3,5,7,11,13,17,19,23,29,31,37])
#S=set([3,7,11,17,19,23,37]) e
#S=set([5,13]) o
#S=set([17,19,23,29,31,37]) e:5 o:1
S=set([29])
if M in S:
	print "even"
else:
	assert 0