#include <cstdio>
#define maxn 50001
struct point { double x, y;};
point x[maxn];
int n;
int main()
{
	int i;
	freopen("adapost2.in", "r",stdin);
	scanf("%d\n", &n);
	for(i=1;i<=n;i++) scanf("%lf %lf\n", &x[i].x, &x[i].y);
	//printf("%f\n", x[1].x);
	double medx=0, medy=0;
	for(i=1;i<=n;i++) medx+=x[i].x, medy+=x[i].y;
	medx=medx/(double) n;
	medy=medy/(double) n;
	freopen("adapost2.out", "w", stdout);
	printf("%f %f\n", medx, medy);
	return 0;
}