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")