#include <stdio.h>

struct Point {
    int x; 
    int y;
};

void foo(struct Point arr[], int N) {
    
    if (N >= 1) {
        printf("%d ", arr[0].x);
    }
    if (N >= 3) {
        printf("%d\n", arr[2].y);
    } else if (N < 3 && N >= 1) {
        printf("\n");
    }
}

int main() {
    int N;
    
    scanf("%d", &N);
    
    struct point points;
    
    for (int i = 0; i < N; i++) {
        scanf("%d %d", &points[i].x, &points[i].y);
    }
    
    foo(points, N);
    
    return 0;
}