Start: Apr, 17, 2017 10:00:00
Python程序设计基础培训第二次作业
End: Apr, 23, 2017 14:00:00
Time elapsed:
Time remaining:

Problem_ID: B
Result: Accepted
Time: 124ms
Memory: 21432kB
Author: 15906848622
In contest: 1086

#!/usr/bin/python
#-*-coding:utf-8 -*-
n=input()
c=0
while n!=1:
	if n % 2==0:
		n=n // 2
		c=c+1
	else:
		n=n*3+1
		c=c+1
else:
	print c