题解 | #求最大连续bit数#

# -*-coding:utf-8-*-


while True:
    try:
        input_m = int(input())
        int_b = bin(input_m).split("0b")
        int_l = list(int_b[1].split("0"))
        print(sorted(int_l)[-1].count("1"))


    except:
        break