#include <bits/stdc++.h>
using namespace std;

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int N; cin >> N;
    vector<long long> A(N);
    for(auto &a : A) cin >> a,a += a;
    sort(A.begin(),A.end());
    long long Q1,Q2,Q3;
    if(N%2){
        Q2 = A.at(N/2);
        int n = N/2;
        if(n%2) Q1 = A.at(n/2),Q3 = A.at(N/2+1+n/2);
        else Q1 = A.at(n/2)/2+A.at(n/2-1)/2,Q3 = A.at(N/2+1+n/2)/2+A.at(N/2+1+n/2-1)/2;
    }
    else{
        Q2 = A.at(N/2)/2+A.at(N/2-1)/2;
        int n = N/2;
        if(n%2) Q1 = A.at(n/2),Q3 = A.at(N/2+n/2);
        else Q1 = A.at(n/2)/2+A.at(n/2-1)/2,Q3 = A.at(N/2+n/2)/2+A.at(N/2+n/2-1)/2;
    }
    long long IQR = Q3-Q1;
    int U = 0;
    for(auto a : A) if(a+a < Q1+Q1-3*IQR || a+a > Q3+Q3+3*IQR) U++;
    
    cout << fixed << setprecision(20);
    cout << Q1/2.0 << " " << Q2/2.0 << " " << Q3/2.0 << " " << U << endl;
}