import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class prog {



    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));


        String s = br.readLine();
        int n = Integer.parseInt(s);

        if (n == 1) {
            System.out.println("1");
            System.out.println("1");
            return;
        } else if (n == 2) {
            System.out.println("2");
            System.out.println("1 2");
            return;
        }

        int c = 0;
        int counter = 0;
        for (;;) {
            int nr = (1 << c) - 1;
            if (nr >= n) {
                counter = c;
                break;
            }
            c++;

        }
        System.out.println(counter);
        counter--;
        for (int i = 0; i < counter; i++) {
            System.out.print(String.valueOf(1 << i) + " ");
        }
        System.out.println(String.valueOf(1 << counter));

    }



}