A=1309020564363155364990198847863210152708042104341971929
M=input()

#S=set([3,5,7,11,13,17,19,23,29,31,37])
S=set([7,11,17,19,23,31,37])
#S=set([3,5,13,29]) o

import sys
for s in S:
	if M%s==0:
		print "even"
		sys.exit(0)

if M==1:
	print "even"
else:
	print "odd"