import java.io.*;
import java.util.*;
import java.util.function.*;
import java.util.stream.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner();
        int n = sc.nextInt();
        Map<Integer, Deque<Integer>> positions = new HashMap<>();
        int[] values = new int[n + 1];
        for (int i = n; i >= 1; i--) {
            values[i] = i;
            for (int j = 2; j <= Math.sqrt(values[i]); j++) {
                while (values[i] % (j * j) == 0) {
                    values[i] /= j * j;
                }
            }
            if (!positions.containsKey(values[i])) {
                positions.put(values[i], new ArrayDeque<>());
            }
            positions.get(values[i]).add(i);
        }
        String result = IntStream.rangeClosed(1, n).mapToObj(i -> {
            return positions.get(values[i]).poll().toString();
        }).collect(Collectors.joining(" "));
        System.out.println(result);
    }
}
class Scanner {
    BufferedReader br;
    StringTokenizer st = new StringTokenizer("");
    StringBuilder sb = new StringBuilder();
    
    public Scanner() {
        try {
            br = new BufferedReader(new InputStreamReader(System.in));
        } catch (Exception e) {
            
        }
    }
    
    public int nextInt() {
        return Integer.parseInt(next());
    }
    
    public long nextLong() {
        return Long.parseLong(next());
    }
    
    public double nextDouble() {
        return Double.parseDouble(next());
    }
    
    public String next() {
        try {
            while (!st.hasMoreTokens()) {
                st = new StringTokenizer(br.readLine());
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally {
            return st.nextToken();
        }
    }
    
}