from fractions import gcd
from math import factorial, ceil, sqrt, atan2, log
from itertools import *
import string
import copy
import random
import bisect
from decimal import *
def id_generator(size=20, chars=string.digits):
    return ''.join(random.choice(chars) for _ in range(size))
 
def mp():
    return map(int,str(raw_input()).split())

a,b=mp()
if (a*b)%2==1:
	print 'Odd'
else:
	print 'Even'