2025624

# a = input()
# a = int(a)
# if a%2==0 :
#     print("even")
# else :
#     print("odd")
'''
< > 크다 작다 ( 초과, 미만 )
>= <= 크거나같다, 작거나같다 (이상, 이하)
'''

# a = input()
# a = float(a)
# if 50<=a<=60 :
#     print("win")
# else :
#     print("lose")

# a = input()
# a = int(a)
# if 30<=a<=40 or 60<=a<=70:
#     print("win")
# else :
#     print("lose")

# a = input()
# a = int(a)
# if 50<=a<=70 or a%6==0 :
#     print("win")
# else :
#     print("lose")

# a,b,c = input().split()
# a = int(a)
# b = int(b)
# c = int(c)
# if a > 170 and b > 170 and c > 170:
#     print("PASS")
# else :
#     print("CRASH")

# a= input()
# a = int(a)
# if a >= 90 :
#     print("A")
# elif a >= 80 :
#     print("B")
# elif a >= 70 :
#     print("C")
# elif a >= 60 :
#     print("D")
# elif a <= 60 :
#     print("F")

a = input()
a = int(a)
if a>0 :
    print("plus")
elif a<0 :
    print("minus")

if a%2==0:
    print("even")
else :
    print("odd")