import java.util.Scanner;
public class Main {
    
    public static void main(String[] args) {
        
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int countJi = 0;
        int countOu = 0;
        for(int i = 1 ; i <= n ; i++) {
            if(i % 2 == 0) {
                countOu++;
            } else {
                countJi++;
            }
        }
        System.out.println(countJi + " " + countOu);
    }
}