n=int(input())
num=list(map(int,input().split()))
print(*sorted(num))
num=sorted(num)
a=[]
b=[]
for i in range(n):
 if num[i]>=60:
  a.append(num[i])
 else:
  b.append(num[i])
if not b:
 print("best case")
else:
 print(max(b))
if not a:
 print("worst case")
else:
 print(min(a))