#include<iostream>
#include<iomanip>
#include<cmath>
using namespace std;
int main()
{
int n;
double max = 0.0, min = 1.0e6, sum = 0.0, avg, err = -1.0;
double x[520];
cin >> n;
for (int i = 0; i < n; i++)
{
cin >> x[i];
}
for (int i = 0; i < n; i++)
{
if (x[i] > max)max = x[i];
if (x[i] < min)min = x[i];
}
for (int i = 0; i < n; i++)
{
if ((x[i] != max) && (x[i] != min))
sum = sum + x[i];
}
avg = sum / (n - 2);
for (int i = 0; i < n; i++)
{
if ((x[i] != max) && (x[i] != min))
{
double a = x[i] - avg;
if (fabs(a) > err)
err = fabs(a);
}
}
cout << fixed << setprecision(2) << avg << " ";
cout << fixed << setprecision(2) << err;
return 0;
}