#include <iostream>
using namespace std;

int main()
{
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        for (int j = 0; j <= 10; j++)
        {
            if ((i >> j) & 1)
            {
                cout << j + 1;
                break;
            }
        }
    }
    cout << endl;
}