while True:
try:
n = int(input())
arr = []
brr = []
for i in range(n):
a, b = map(int, input().split())
arr.append(a)
brr.append(b)
t = 999999999
c = -1
for i in arr:
if i < t:
t = i
#print(t)
s=0
c=-1
n = []
for i in arr:
c+=1
if i == t:
n.append(c)
s+=1
if s > 1:
f = 999999
for i in n:
if f > brr[i]:
f = brr[i]
a=i
# i = brr.index(f)
print("%d %d"%(arr[a], brr[a]))
# if i == t:
# for j in brr:
else:
print("%d %d"%(t, brr[arr.index(t)]))
except:
break

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