562 B | 562 chars
import sys
from math import sqrt, pi, sin, factorial
inp = lambda : sys.stdin.readline()[:-1].strip()
mii = lambda x = " " : [*map(int,inp().split(x))]
mfi = lambda x = " " : [*map(float,inp().split(x))]
ii = lambda : int(inp())
fi = lambda : float(inp())
p = print
def solve():
n = ii()
if n == 0:
return
l = [ii() for _ in range(n)]
return (sum(l) - max(l) - min(l)) // (n - 2)
if __name__ == "__main__":
tc = 11111111111111111
for t in range(1, tc+1):
ret = solve()
if ret == None:
break
p(ret)