2023 12 31

# a = int(a)
# b = int(b)
# c = int(c)
# if b + c <= 60:
#     print(a, b + c)
# else :
#     aa = a + (b+c)//60
#     print( aa % 24, (b + c) % 60)

# a = input()
# a= int(a)
#
# b = (a%10*10 + a//10) * 2 % 100
# print (b)
# if  b > 50:
#      print( 'OH MY GOD')
# else:
#     print("GOOD")
#

a, b , c, d= input().split()
a = int(a)
b =int(b)
c =int(c)
d =int(d)

if a + b + c + d == 1:
    print("도")

elif a + b+c +d == 2:
    print('개')

elif a+ b+c +d == 3 :
    print("걸")

elif a + b + c + d == 4:
    print("윷")
else:
    print("모")