#include<stdio.h>
struct point{
    int x;
    int y;
};
int main(){
    int N;
    scanf("%d",&N);
    struct point p[100];
    for(int i=0;i<N;i++){
        scanf("%d %d",&p[i].x,p[i].y);
    }
    printf("%d %d",p[0].x,p[2].y);
    return 0;
}