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);
}
}