Start: Nov, 12, 2017 10:00:00
2017秋Python程序设计基础培训第二次作业
End: Nov, 19, 2017 12:00:00
Time elapsed:
Time remaining:

Problem_ID: B
Result: Accepted
Time: 100ms
Memory: 24300kB
Author: yiye
In contest: 1122

a=int(input())
t=0
while a!=1:
    c=a % 2
    if(c == 0):
        a=a/2

    else:
        a=a*3+1
    t+=1
print(t)