1

o, d, t = int(input()), int(input()), int(input())

if d >= o <= t:

   print(od)

elif o >= d <= t:

   print(d)

else:

   print(t)

2

o, d, t = int(input()), int(input()), int(input())

if o == d == t :

   print(3)

elif o == d or o == t or d == t:

   print(2)

else:

   print(0)

3

x1, x2, y1, y2 = int(input()), int(input()), int(input()), int(input())

if (x1 - x2) * (y1 - y2) == 0:

   print("YES")

else:

   print("NO")