# 制約チェック
P = list(map(int, input().split()))
assert len(P) == 2
Px, Py = P
assert 0 <= Px and Px <= 100
assert 0 <= Py and Py <= 100

Q = list(map(int, input().split()))
assert len(Q) == 2
Qx, Qy = Q
assert 0 <= Qx and Qx <= 100
assert 0 <= Qy and Qy <= 100

R = list(map(int, input().split()))
assert len(R) == 2
Rx, Ry = R
assert 0 <= Rx and Rx <= 100
assert 0 <= Ry and Ry <= 100