import java.util.Scanner;

class no5000{
	public static void main(String[] args) {
		Scanner stdIn=new Scanner(System.in);
		int n,t;
		n=stdIn.nextInt();
		if(n/2==1) t=n/2-1;
		else t=n/2;
		System.out.print(t+" "+(n-t));
	}
}