Go: /*
	Problem A: ICPC 得点集計ソフトウェア
	http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=1147&lang=jp
*/

package main

import (
	"bufio"
	"fmt"
	"os"
	"sort"
	"strconv"
)

// 標準入力を取得するScannerのインスタンスを作成
var sc = bufio.NewScanner(os.Stdin)

// 標準入力で各行を読み込み文字列として返す
func readLine() string {
	if sc.Scan() {
		return sc.Text()
	}
	return ""
}

func average() (avg int) {
	// 審判の人数を取得する
	n, _ := strconv.Atoi(readLine())

	// 得点
	score := make([]int, 0, n)

	// 得点を読み込む
	for n > 0 {
		line, _ := strconv.Atoi(readLine())
		score = append(score, line)
		n--
	}

	if len(score) == 0 {
		return 0
	}

	// ソート
	sort.Ints(score)
	// 先頭を削除
	score = append(score[:0], score[1:]...)
	// 末尾を削除
	score = score[:len(score)-1]

	// 合計
	for i := 0; i < len(score); i++ {
		avg += score[i]
	}

	// 平均
	avg = avg / len(score)
	return avg
}

func main() {
	// 改行区切りから単語(スペース)区切りで読み込むように変更する
	sc.Split(bufio.ScanWords)
	for {
		avg := average()
		if avg != 0 {
			fmt.Println(avg)
		} else {
			break
		}
	}
}

C++: #include<bits/stdc++.h>
//ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
//clock_t start=clock();clock_t end=clock();cout<<(double)(end-start)/CLOCKS_PER_SEC<<endl;
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef unsigned int ui;
typedef pair<int,int> pii;
typedef pair<pii,int> ppii;
typedef pair<int,pii> pipi;
typedef pair<ll,ll> pll;
typedef pair<pll,ll> ppll;
typedef pair<ll,pll> plpl;
typedef tuple<ll,ll,ll> tl;
typedef pair<double,double> pdd;
ll mod=1000000007;
ll mod2=998244353;
ll mod3=1000003;
ll mod4=998244853;
ll mod5=1000000009;
ll inf=1LL<<60;
double pi=3.141592653589793238462643383279L;
double eps=1e-9;
#define rep(i,m,n) for(ll i=m;i<n;i++)
#define rrep(i,n,m) for(ll i=n;i>=m;i--)
#define srep(itr,st) for(auto itr=st.begin();itr!=st.end();itr++)
#define mrep(itr,mp) for(auto itr=mp.begin();itr!=mp.end();itr++)
#define Max(a,b) a=max(a,b)
#define Min(a,b) a=min(a,b)
int dh[4]={1,-1,0,0};
int dw[4]={0,0,1,-1};
int ddh[8]={-1,-1,-1,0,0,1,1,1};
int ddw[8]={-1,0,1,-1,1,-1,0,1};
ll gcd(ll a,ll b){
    if(a<b)swap(a,b);
    if(b==0)return a;
    if(a%b==0)return b;
    return gcd(b,a%b);
}
ll Pow(ll n,ll k){
    ll ret=1;
    ll now=n;
    while(k>0){
        if(k&1)ret*=now;
        now*=now;
        k/=2;
    }
    return ret;
}
ll beki(ll n,ll k,ll md){
  ll ret=1;
  ll now=n;
  while(k>0){
    if(k%2==1){
      ret*=now;
      ret%=md;
    }
    now*=now;
    now%=md;
    k/=2;
  }
  return ret;
}
ll gyaku(ll n,ll md){
  return beki(n,md-2,md);
}
ll popcount(ll n){
    ll ret=0;
    ll u=n;
    while(u>0){
        ret+=u%2;
        u/=2;
        
    }
    return ret;
}

int main(){
    ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
    for(;;){
        int n;cin>>n;
        if(n==0)return 0;
        int a[n];
        rep(i,0,n)cin>>a[i];
        sort(a,a+n);
        int sum=0;
        rep(i,1,n-1)sum+=a[i];
        sum/=(n-2);
        cout<<sum<<endl;
    }
}

C++: #include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
	while(true){
		int score;
		int n;
		int maxs,mins;
		vector<int> s(n);
		cin>>n;
		if(n==0)break;
		for(int i=0;i<n;i++){
			cin>>s[i];
		}
		maxs=*max_element(s.begin(),s.end());
		mins=*min_element(s.being(),s.end());
		for(int i=0;i<n;i++){
			score+=s[i];
		}
		cout<<(score-maxs-mins)/(n-2)<<endl;
	}
}

C++: #include <iostream>
using namespace std;

int main()
{
	int number;
	int score, sum, max, min;
	
	while(true)
	{
		cin >> number;
		if(!number) return 0;
		sum = 0, max = 0, min = 1000;
		for(int i = 0; i < number; ++i)
		{
			cin >> score;
			sum += score;
			if(score[i] > max) max = score;
			if(score[i] < min) min = score;
		}
		cout << (sum - max - min) / (number - 2) << endl;
	}
}

C++: #include<iostream>
#include<vector>
#include<algorithm>
using namespace std;

int main(){
	int n;
	while( cin >> n, n ){
		vector<int> v(n);
		for(int i=0; i<n; i++)
			cin >> v[i];
		sort( v.begin(), v.end() );
		int res = 0;
		for(int i=1; i<n-1; i++)
			res += v[i];
		cout << res/(n-2) << endl;
	}
	return 0;
}

C++: #include <bits/stdc++.h>
#define range(i, a, b) for(int i = (a); i < (b); i++)
#define rep(i, a) range(i, 0, a)
using namespace std;
const int INF = sizeof(int) == sizeof(long long) ? 1e18 : 1e9;
const int MOD = 1000000007;
const long double EPS = 1e-8;


int main() {
	int n;
	while(cin >> n, n) {
		int macs = -1, mini = INF, sum = 0, s;
		rep (i, n) {
			cin >> s;
			macs = max(macs, s);
			mini = min(mini, s);
			sum += s;
		}
		cout << (sum - macs - mini) / (n - 2) << endl;
	}
	return 0;
}

C++: #include <bitset>
#include <vector>
#include <map>
#include <set>
#include <stack>
#include <queue>
#include <cstring>
#include <string>
#include <sstream>
#include <algorithm>
#include <iomanip>
#include <iostream>

#define VARIABLE(x) cerr << #x << "=" << x << endl
#define BINARY(x) cerr << #x << "=" << static_cast<bitset<16> >(x) << endl;
#define rep(i,n) for(int i=0;i<(int)(n);i++)
#define REP(i,m,n) for (int i=m;i<(int)(n);i++)

const int INF = 10000000;
int dx[4]={1, 0, -1, 0}, dy[4]={0, 1, 0, -1};
using namespace std;
typedef long long  ll;

/** Problem1147 : ICPC Score Totalizer Software **/
int main()
{
	int N;
	vector<int> s;
	
	while (cin>>N, N) {
		int sum=0;
		s.clear();
		rep(i, N) {
			int n;
			cin >> n;
			s.push_back(n);
			sum+=n;
		}
		
		int m = *min_element(s.begin(), s.end());
		int M = *max_element(s.begin(), s.end());
		
		sum -= m; sum -= M;
		
		cout << sum/(N-2) << endl;
		
	}
}

C++: #include <bits/stdc++.h>
#define rep(i, n) for(int i=0;i<n;++i)
#define FOR(i, a, b) for(int i=a;i<b;++i)
#define RFOR(i, a, b) for (int i=a;i>=b;--i)
#define ll long long
#define all(a) a.begin(),a.end()
#define ull unsigned long long
#define pb(x) push_back(x)
#define dbg(x) cout<<#x<<" : "<<(x)<<endl;
using namespace std;
const int INF = 1500000000;
const double PI = 3.14159265359;
const int mod = 1000000000 + 7;

int n, s[1000];

void solve() {
  int res = 0, mins = 1000, maxs = 0;
  rep(i, n) {
    res += s[i];
    maxs = max(maxs, s[i]);
    mins = min(mins, s[i]);
  }
  res -= maxs;
  res -= mins;
  printf("%d\n", res / (n-2));
}

int main() {
  while(true) {
    scanf("%d", &n);
    if (!n) break;
    rep(i, n) scanf("%d", &s[i]);
    solve();
  }
  return 0;
}

C++: #include <bits/stdc++.h>
#define rep(i,a,b) for(int i=(a); i<(b); i++)
#define all(c) (c).begin(),(c).end()
#define rall(c) (c).rbegin(),(c).rend()
#define sort(v,n) sort(v,v+n);
#define vsort(v) sort(v.begin(),v.end());
#define ll long long
#define pb(a) push_back(a)
#define fi first
#define se second
#define inf 999999999
using namespace std;
typedef pair<int,int> p;
typedef pair<ll,ll> lp;
bool is_uruu(int y) {
        return y % 4 == 0 && (y % 100 != 0 || y % 400 == 0);
}
const ll MOD=1e9+7;
//---------------------------------------------------------------------------//
int n,sum=0;
int a[101];
int main(){
        cin>>n;
        for(int i=0; i<n; i++) {
                cin>>a[i];
        }

        sort(a,n);
        for(int i=1; i<n-1; i++) {
                sum+=a[i];
        }
        cout<<sum<<endl;
}

C++: #include <bits/stdc++.h>
using namespace std;
const int IINF = INT_MAX;
#define REP(i, n) for (int i = 0; i < n; i++)

int main() {
    int n;
    while(cin >> n, n){
        int sum=0,ma=0,mi=IINF;
        REP(i,n){
            int a;
            cin >> a;
            sum+=a;
            ma = max(ma, a);
            mi = min(mi, a);
        }
        cout << (sum-ma-mi)/(n-2) << endl;
    }
    return 0;
}

C++: #include <iostream>
using namespace std;

int N, S;
void solve(){
    while (cin >> N && N > 0){
        int sum = 0;
        int min = 1000000;
        int max = -1;
        for (int i = 0; i < N; i++){
            cin >> S;
            sum += S;
            if (min > S) min = S;
            if (max < S) max = S;
        }
        cout << (sum - max - min)/(N-2) << endl;
    }
}



int main(){
    solve();
}