#include <iostream>
#include <limits>
using namespace std;

int main() {
	long n, p;


	while (cin >> n >> p) {
		
		int * pole = new int[n];

		for (long i = 0; i < n; i++)
		{
			cin >> pole[i];
		}

		unsigned long long capacity = 0;
		double time = numeric_limits<double>::max();

		for (long i = n - 1; i >= 0; i--) {
			capacity += pole[i];

			double nTime = (double)capacity / (double)((n - i) * p);

			if (nTime < time) {
				time = nTime;
			}
		}

		long index = 0;

		for (long i = 1; i < n; i++) {
			if (pole[i] > pole[index]) {
				index = i;
			}
		}

		capacity = 0;
		double bTime = numeric_limits<double>::max();

		for (long i = index; i >= 0; i--) {
			capacity += pole[i];

			double nTime = (double)capacity / (double)((index + 1 - i) * p);

			if (nTime < bTime) {
				bTime = nTime;
			}
		}

		cout << time << ' ' << bTime << endl;
	}
}