s1 , s2 = input().split() if len(s1) < len(s2): s1 , s2 = s2 ,s1 flage = 0 for i in range(len(s1)): if s1 in s2: print("true") flage = 1 break s1 = s1[1:] + s1[0] if flage == 0: print("false")