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: 152ms
Memory: 21432kB
Author: 13757006099
In contest: 1086

a = int(input())  
c=0
while a<>1:
    if a%2==0:
        a=a//2
        c=c+1
    else:
        a=a*3+1 
        c=c+1
print c