import sys
n=int(input())
nums=[]
for x in range(n):
nums+=sys.stdin.readline().strip('\n').split()
# print(nums)
# print(min(nums),max(nums))
dnums=[0,0]
some=[]
for x in nums:
some.append(int(x))
some=sorted(some)
a=0
b=0
for x in range(1,len(some)):
if some[x]==some[x-1]:
a=some[x]
# print("%d "%some[x],end='')
if some[x]-some[x-1]>1:
b=some[x]-1
# print("%d "%some[x]-1,end='')
print("%d %d"%(b,a))