a = input()
b = input()
c = input()
d = input()
x1 = int(a.split()[0])
y1 = int(a.split()[1])
x2 = int(b.split()[0])
y2 = int(b.split()[1])
x3 = int(c.split()[0])
y3 = int(c.split()[1])
x4 = int(d.split()[0])
y4 = int(d.split()[1])
s = abs((x1*(y3-y2)+x2*(y1-y3)+x3*(y2-y1))/2)
s1= abs((x4*(y1-y2)+x2*(y1-y4)+x1*(y4-y2))/2)
s2 = abs((x4*(y3-y2)+x2*(y4-y3)+x3*(y2-y4))/2)
s3 = abs((x4*(y3-y1)+x1*(y4-y3)+x3*(y4-y1))/2)
if s == s1+s2+s3:
  print('In')
else:
  print('Out')