话说这些奶牛真是无趣

#include<bits/stdc++.h>
using namespace std; 

int main(){
    int n;
    cin>>n;
    int ji=0;
    while(n!=1){
        if(n%2==1) n=n*3+1;
        else n=n/2;
        ji+=1;
    }
    cout<<ji;
}