# include <iostream>
using namespace std;

int n;
int a[105];

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

20分，请大佬看看