import sys
str = input()

if str.isupper():
    pass
else:
    print("Dislikes")
    sys.exit()

strList = list(str)
try:
    for index in range(0,len(strList)-1):
        if strList[index] == strList[index+1]:
            print("Dislikes")
            raise StopIteration
        else:
            continue
except StopIteration:
    sys.exit()
try:
    for index in range(0,len(strList)-3):
        strTest = strList[index]
        num = 1 
        for index1 in range(index+1,len(strList)):
            if strTest == strList[index1]:
                num += 1
            if num == 4:
                print("Dislikes")
                raise StopIteration
except StopIteration:
    sys.exit()

try:
    for index in range(0,len(strList)-3):
        i = 0
        strTest = strList[index]
        for index1 in range(index+1,len(strList)-2):
            strTest1 = strList[index1]
            for index2 in range(index1+1,len(strList)):
                if strList[index2] == strTest:
                    #找到第三个
                    for index3 in range(index2+1,len(strList)):
                        if strList[index3] == strTest1:
                            print("Dislikes")
                            raise StopIteration
                        else:
                            continue
                else:
                    continue
except StopIteration:
    sys.exit()

print("Likes")