#include <bits/stdc++.h>
using namespace std;
int main(void){
    int n;
    cin>>n;
    vector<long long>a(n);
    for(long long i=0;i<n;i++)cin>>a[i],a[i]*=4;
    sort(a.begin(),a.end());
    array<long long,3>q;
    q[1]=(n%2==1?a[n/2]:(a[n/2]+a[n/2-1])/2);
    int rest=n/2;
    q[0]=(rest%2==1?a[rest/2]:(a[rest/2]+a[rest/2-1])/2);
    q[2]=(rest%2==1?a[n-rest/2-1]:(a[n-rest/2-1]+a[n-rest/2])/2);
    long long iqr=q[2]-q[0];
    int sum=0;
    for(int i=0;i<n;i++){
        sum+=(a[i]<q[0]-3*iqr/2||a[i]>q[2]+3*iqr/2);
    }
    cout<< fixed << setprecision(15)<<(long double)q[0]/4<<" "<<(long double)q[1]/4<<" "<<(long double)q[2]/4<<" "<<sum<<endl;
    return 0;
}