출처| https://www.acmicpc.net/problem/1085
arr_x = []
arr_y = []
for _ in range(3):
x,y = map(int, input().split())
arr_x.append(x)
arr_y.append(y)
for i in range(3):
if arr_x.count(arr_x[i]) == 1:
new_x = arr_x[i]
if arr_y.count(arr_y[i]) == 1:
new_y = arr_y[i]
print(new_x, new_y)
for _ in range(3):
x,y = map(int, input().split())
arr_x.append(x)
arr_y.append(y)
for i in range(3):
if arr_x.count(arr_x[i]) == 1:
new_x = arr_x[i]
if arr_y.count(arr_y[i]) == 1:
new_y = arr_y[i]