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: 108ms
Memory: 21432kB
Author: 13757854779
In contest: 1086

c=0
a=int(input())
while a!=1:
  if a%2==1:
     a=a*3+1
     c=c+1
  else:
     a*=0.5
     c=c+1
print c