a=int(eval(input()))

s=eval(input())

if a>=3200:

  print(s)

else:

  print('red')
n=int(eval(input()))

s=eval(input())

if n>=3200:

  print(s)

else:

  print('red')
a = int(eval(input()))
s = eval(input())
if a >= 3200:
    print(s)
else:
    print("red")

n = int(eval(input()))
s = eval(input())
if n >= 3200:
    print(s)
else:
    print("red")

-a = int(eval(input())) +n = int(eval(input())) -if a >= 3200: +if n >= 3200: