n=int(input())
a=[]
b=[]
c=1
d=1
for i in range(n):
    h,w=map(int,input().split())
    a.append(h)
    b.append(w)
    for s in range(len(a)):
        if a[s]>c:
            c=a[s]
    for f in range(len(b)):
        if b[f]>d:
            d=b[f]
print((min(c,d)),(max(c,d)))