#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n,a[206],max=-1,min=54088;
    double sum=0;
    cin >> n;
    for(int i=1;i<=n;i++)
    {
        cin >> a[i];
        if(a[i]>max)
        {
            max=a[i];
            continue;
        }
        if(a[i]<min)
        {
            min=a[i];
            continue;
        }
        sum+=a[i];
    }
    cout << 4.8 << endl;
    int h=0,b=0;
    sort(a+1,a+1+n);
    for(int i=1;i<=n;i++)
    {
        if(h==0)
        {
            if(a[i]==max)
            {
                h++;
                continue;
            }
        }
        if(b==0)
        {
            if(a[i]==min)
            {
                b++;
                continue;
            }
        }
        cout << a[i] << " ";
    }
}