import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author silviase
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        split solver = new split();
        solver.solve(1, in, out);
        out.close();
    }

    static class split {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            int x = in.nextInt();
            int[] a = new int[x + 1];
            for (int i = 0; i <= x; i++) {
                a[i] = i;
            }

            for (int i = 1; i <= x; i++) {
                for (int j = 0; j <= x; j += i) {
                    a[j]--;
                }
            }

            StringBuilder sb = new StringBuilder();
            int min = 100000000;
            for (int i = 1; i < x; i++) {
                int cmp = Math.abs(a[i] - a[x - i]);
                if (min == cmp) {
                    sb.append(i + " " + (x - i) + "\n");
                } else if (min > cmp) {
                    sb = new StringBuilder(i + " " + (x - i) + "\n");
                    min = cmp;
                }
            }

            out.print(sb.toString());

        }

    }
}