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

int main()
{
    int n, k, m;
    cin >> n >> k >> m;
    double a[n];
    for (int i = 0; i < n; i++)
    {
        int b[k];
        for (auto &c : b) cin >> c;
        a[i] = accumulate(b, b + k, 0) - *max_element(b, b + k) - *min_element(b, b + k);
        a[i] /= k - 2;
    }
    sort(a, a + n, greater<double>());
    for (int i = m - 1; i >= 0; i--)
    {
        printf("%.3lf", a[i]);
        if (i) cout << ' ';
    }
    return 0;
}