def main():

    N = int(eval(input()))

    S = eval(input())

    if 3200 <= N:

        print(S)

    else:

        print("red")





if __name__ == '__main__':

    main()

def main():

    N = int(eval(input()))

    S = eval(input())

    if N < 3200:

        print("red")

    else:

        print(S)





if __name__ == '__main__':

    main()

def main():
    N = int(eval(input()))
    S = eval(input())
    if 3200 <= N:
        print(S)
    else:
        print("red")


if __name__ == "__main__":
    main()

def main():
    N = int(eval(input()))
    S = eval(input())
    if N < 3200:
        print("red")
    else:
        print(S)


if __name__ == "__main__":
    main()

-    if 3200 <= N: +    if N < 3200: +        print("red") +    else: -    else: -        print("red")