l = [int(eval(input())) for i in range(6)]



if l[4]-l[0]>l[5]:

    print(":(")

else:

    print("Yay!")
l = [int(eval(input())) for i in range(5)]

k = int(eval(input()))

if l[4] - l[0] > k:

    print(":(")

else:

    print("Yay!")
l = [int(eval(input())) for i in range(6)]
if l[4] - l[0] > l[5]:
    print(":(")
else:
    print("Yay!")

l = [int(eval(input())) for i in range(5)]
k = int(eval(input()))
if l[4] - l[0] > k:
    print(":(")
else:
    print("Yay!")

-l = [int(eval(input())) for i in range(6)] -if l[4] - l[0] > l[5]: +l = [int(eval(input())) for i in range(5)] +k = int(eval(input())) +if l[4] - l[0] > k: