#include <iostream>
#include <iomanip>
#include <fstream>
#include <cmath>
using namespace std;
const char CDfv[]="duomenys.txt";
const char CRfv[]="rezultatas.txt";

int main()
{

	 int n, m, p;
	 double suma1, suma2, suma3, z, x, c;
	 ifstream fd ("duomenys5.txt");
	 ofstream fc ("rezultatas5.txt");
	 fd >> n >> m;



	 for (int i = 1; i <= n; i ++)
{
	 fd >> z;
	suma1 /= z;
}

    fc << "     " << z/n << endl;
    fc << "Bendras vidurkis     " << z/m << endl;
    fc.close();
    fd.close();
    fd.close();


return 0;
}