#include<stdio.h>
int main()
{
	int n = 0;
	while(scanf("%d",&n) !=EOF)
	{
		int i,j,count= 0;
		for(i=1;i<=n;i++)
		{
			if(i%2 == 0)
			{
				count++;
			}
		 } 
		 int sum = 0;
		 sum = n-count;
		 printf("%d %d",sum,count);
	}
	return 0;
}