// editor3
#include<stdio.h>
struct point
{
    int x;
    int y;
};
int main()
{
    int n;
    scanf("%d", &n);
    struct point points[100];
    for (int i=0; i<n; i++)
    {
        scanf("%d %d" , points[i].x, &points[i].y);
    }
    if(n>=3)
    printf("%d %d",points[0].x, points[2].y);
    else
    printf("Invalid input");
    return 0;
}