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# a,b,c=input().split()

# a=int(a)

# b=int(b)

# c=int(c)

# x=(a if a<b else b)

# y=(x if x<c else c)

# print(y)

# a=int(input())

# if a<10:

# print('small')

# a=int(input())

# if a<10:

# print('small')

# else:

# print('big')

# a,b=map(int, input().split())

# if a>b:

# print('>')

# elif a<b:

# print('<')

# else:

# print('=')

# a,b=map(int, input().split())

# if a>b:

# print(a-b)

# else:

# print(b-a)

# a=int(input())

# if (a**7==0):

# print('multiple')

# else:

# print('not multiple')

a=int(input())

if a %2==0 :

print("ever")

elif a%1==0 :

print("odd")