#include <bits/stdc++.h>

using namespace std;
int n;

int main() {
    cin >> n;
    while (1) {
        if (n == 1) break;
        if (n % 2 == 0) {
            n /= 2;
            printf("%d\n", n);
        }

        else if (n % 2 == 1) {
            n = n * 3 + 1;
            printf("%d\n", n);
        }
    }

    return 0;
}