# Input
cars = input("Cars: ")
c = cars.split()

# Counter Values (r counts red, b counts blue)
r = 0
b = 0

# Red Values
for i in c:
 if 'red' in c:
   r = + 1

# Blue Values
for i in c:
  if 'blue' in c:
    b = + 1

# Printers
print("blue: ", b)
print("red: ", r)