import sys
def round_exclusion(n):
return int(n) + (1 if n - int(n) >= 0.5 else 0)
n = int(sys.stdin.readline())
if not n:
print(0)
else:
score = [int(sys.stdin.readline()) for _ in range(n)]
exclusion = round_exclusion(n * 0.15)
user = sorted(score)[exclusion: n - exclusion]
print(round_exclusion(sum(user) / len(user)))