#include <cstdlib>
#include <iostream>

using namespace std;

int main(int argc, char *argv[])
{
    long long i = argv[1];
    while(i!=1) {
                if((i%2)==1) {
                              i=(i*3)+1;
                              } else {
                              i=i/2;
                              }      
                              cout << i << endl;
                              }       
    system("PAUSE");
    return EXIT_SUCCESS;
}