#include <bits/stdc++.h>

using namespace std;

long double f(vector <long long int> v)
{
    int n = v.size();
    if(n%2==1)
    {
        return v[n/2];
    }
    long double res = v[n/2] + v[(n/2)-1];
    res/=2;
    return res;
}
int main(void)
{
    cin.tie(0);
    ios::sync_with_stdio(false);
    
    int n,t;
    vector <long long int> v;

    cin >> n;
    for(int i=0;i<n;i++)
    {
        cin >> t;
        v.push_back(t);
    }
    int m = n/2;
    sort(v.rbegin(),v.rend());
    vector <long long int> a,b;
    for(int i=0;i<m;i++) b.push_back(v[i]);
    sort(v.begin(),v.end());
    for(int i=0;i<m;i++) a.push_back(v[i]);

    sort(a.begin(),a.end());
    sort(b.begin(),b.end());
    long double q[3];
    q[1] = f(v);
    q[0] = f(a);
    q[2] = f(b);
    int cnt = 0;
    long double iqr = q[2] - q[0];
    for(int i=0;i<n;i++)
    {
        if(v[i] < q[0] - (1.5*iqr) || v[i] > q[2] + (1.5*iqr)) cnt+=1;
    }

    cout << fixed;
    cout.precision(6);

    cout << q[0] << ' ' << q[1] << ' ' << q[2] << ' ' << cnt << '\n';

    return 0;   
}