#include<bits/stdc++.h> 
using namespace std; 
int n; 
int main(){ 
cin>>n;
 for(;n>1;){ 
if (n%2==0){
 cout<<n<<"/2="<<n/2<<endl;
 n/=2; 
} 
else{ 
cout<<n<<"*3+1="<<n*3+1<<endl; 
n*=3; 
n++;
} 
}
cout<<"End"; 
return 0; 
}

码风有点丑，将就看吧