import java.util.Scanner;

public class No9007 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();

        int a = 0;
        int b = 0;

        a = n / 2;
        b = n - a;

        System.out.println(a + " " + b);

        sc.close();
    }

}