#45874: easy
0801elmer666@gmail.com
(薛冠志)
num = int(input())
score = list(map(int,input().split()))
id = 0
score.sort()
for i in range(num):
if score[i] >= 60:
id = i
break
win = 0
lose = 0
for i in range(num):
if score[i] >= 60:
win += 1
else:
lose += 1
for i in range(num-1):
print(score[i],end=' ')
print(score[num-1])
if win == num:
print('best case')
print(score[id])
elif lose == num:
print(score[num-1])
print('worst case')
else:
print(score[id-1])
print(score[id])