题解 | 最小包围盒

t = int(input())
if t == 1:
    s=input()
    print(s,s)
else:
    x1, y1 = map(int, input().split())
    x2, y2 = map(int, input().split())
    for _ in range(t - 2):
        x, y = map(int, input().split())
        x1 = min(x1, x)
        y1 = min(y1, y)
        x2 = max(x2, x)
        y2 = max(y2, y)
    print(x1, y1, x2, y2)