#include<iostream>
using namespace std;
#include<vector>
int main(){
	vector<int>xx;
	int n;
	cin>>n;
	while(n!=1){
	
	if(n%2==0){
		n /=2;
		xx.push_back(n);
	}else{
	
	     n=n*3+1;
	     xx.push_back(n);
	}
	} 
	/*while(!xx.empty()){
		cout<<xx.back()<<" ";
	}

	return 0;
}