A = list(map(int,input().split()))

if sum(A) >= 22:

    print('bust')

else:

    print('win')
s = input().split()



sum_s = int(s[0]) + int(s[1]) + int(s[2])

if sum_s >= 22:

    print('bust')

else:

    print('win')
A = list(map(int, input().split()))
if sum(A) >= 22:
    print("bust")
else:
    print("win")

s = input().split()
sum_s = int(s[0]) + int(s[1]) + int(s[2])
if sum_s >= 22:
    print("bust")
else:
    print("win")

-A = list(map(int, input().split())) -if sum(A) >= 22: +s = input().split() +sum_s = int(s[0]) + int(s[1]) + int(s[2]) +if sum_s >= 22: