#python解法 while True: try: n = bin(int(input())) for i in n: if i != str(1): n.replace(i,' ') n = n.split() a = max([len(i) for i in n]) print(a) except: break
#python解法 while True: try: n = bin(int(input())) for i in n: if i != str(1): n.replace(i,' ') n = n.split() a = max([len(i) for i in n]) print(a) except: break