N = int(input())
a = [[0]*N for i in range(N)]
s = []
m = 0
n = 0
for i in range(N):
    a[i] = list(map(int, input().split()))
max = a[0][0]
min = a[0][0]
for i in range(N):
    for j in a[i]:
        if max<j:
            max = j
        if min>=j:
            min = j
for i in range(max):
    for j in range(N):
        if i in a[j]:
            s.append(i)
g = 0
s = sorted(s)
for i in s:
    if s.count(i) == 2:
        n = i
s = set(s)

for i in s:
    if i != min + g :
            m = i-1
            break
    g += 1
print(m,n)