#include<iostream> u

#include<iostream>
using namespace std;
int main(){
int n;
cin>>n;
cout<<n<<"->";
while(n!=1){
if(n%2){
n=n*3+1;
cout<<n<<"->";
}
else{
n/=2;
if(n==1){
cout<<n;
break;
}
cout<<n<<"->";
}
}
}