#nullable enable

#region
var (_input, _iter) = (Array.Empty<string>(), 0);
T I<T>() where T : IParsable<T>
{
    while (_iter >= _input.Length) (_input, _iter) = (Console.ReadLine()!.Trim().Split(' '), 0);
    return T.Parse(_input[_iter++], null);
}
#endregion

var n = I<int>();
var az = new long[n];
for (var i = 0; i < n; i++) az[i] = I<long>() * 8;

static long M(long[] a)
{
    var l = a.Length;
    if (l % 2 != 0) return a[l / 2];
    return (a[l / 2] + a[l / 2 - 1]) / 2;
}

Array.Sort(az);
var q2 = M(az);
var q1 = M(az[..(n / 2)]);
Array.Reverse(az);
var q3 = M(az[..(n / 2)]);
var iqr = q3 - q1;
var u = 0;
foreach (var x in az) if (x < q1 - iqr / 2 * 3 || x > q3 + iqr / 2 * 3) u++;
var qz = new double[]{ q1, q2, q3 };
for (var i = 0; i < 3; i++) qz[i] /= 8;
Console.WriteLine(string.Join(' ', [.. qz, u]));