import java.util.Scanner;

public class WellKnown {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int N = scanner.nextInt();
        int div = N / 3;
        int remain = N % 3;
        if (remain == 2) {
            System.out.print("1 3");
        } else if (remain == 1) {
            System.out.print("1 1 2 3");
            div = div - 1;
        } else {
            System.out.print("3 3 1");
            div = div - 1;
        }

        for (int i = 0; i < div; i++) {
            System.out.print(" 1 1 1");
        }
    }
}