#include <iostream>
#include <fstream>
#include <iomanip>
#include <cmath>

using namespace std;

const char CDfv[] = "duom.txt";
const char CDfr[] = "rez.txt";
const int CAll_Male = 100;
const int CAll_Famale = 100;

void Read (int boys[], int girls[], int& index_boys, int& index_girls, int n);
void GirlsTeam (int girls[], int index_girls, int girls_ats);
void BoysTeam (int boys[], int index_boys, int boys_ats);

double VidMokUgis (int boys[], int girls[], int index_boys, int index_girls);
double VidGirlsUgis (int girls[], int index_girls, double& girls_ats);
double VidBoysUgis (int boys[], int index_boys, double& boys_ats);

int main()
{
    int f_ugiai[CAll_Famale];
    int m_ugiai[CAll_Male];
    int index_boys = 0;
    int index_girls = 0;
    int n;

    double girls_ats = 0;
    double boys_ats = 0;

    ofstream fr (CDfr);

    Read (m_ugiai, f_ugiai, index_boys, index_girls, n);

    double VMU = VidMokUgis(m_ugiai, f_ugiai, index_boys, index_girls);
    fr << fixed << setprecision(1) << VMU << endl;

    double VGU = VidGirlsUgis (f_ugiai, index_girls, girls_ats);
    fr << fixed << setprecision(2) << VGU << endl;

    double VBU = VidBoysUgis(m_ugiai, index_boys, boys_ats);
    fr << fixed << setprecision(2) << VBU << endl;

    GirlsTeam (f_ugiai, index_girls, girls_ats);
    BoysTeam (m_ugiai, index_boys, boys_ats);

    fr.close();
    return 0;
}

void Read (int boys[], int girls[], int& index_boys, int& index_girls, int n)
{
    ifstream fd(CDfv);
    fd >> n;

    int some;

    for (int i = 0; i < n; i++)
    {
        fd >> some;
        if (some > 0)
        {
            girls[index_girls] = some;
            index_girls++;
        } else
        {
            boys[index_boys] = some;
            index_boys++;
        }
    }
    /*for (int i = 0; i < index_girls; i++)
    {
        cout << girls[i] << endl;
    }

    for (int i = 0; i < index_boys; i++)
    {

        cout << fabs(boys[i]) << endl;
    }
    */
    fd.close();
}

double VidMokUgis (int boys[], int girls[], int index_boys, int index_girls)
{
    int vid_mok = 0;
    int kiek_g = 0;
    int kiek_b = 0;

    for (int i = 0; i < index_boys; i++){
        vid_mok += fabs(boys[i]);
        kiek_b++;
    }
    for (int i = 0; i < index_girls; i++){
        vid_mok += girls[i];
        kiek_g++;
    }
    double all = kiek_b + kiek_g;

    return vid_mok / all;
}

double VidGirlsUgis (int girls[], int index_girls, double& girls_ats)
{
    double all = 0;
    double kiek = 0;
    for (int i = 0; i < index_girls; i++)
    {
        all += girls[i];
        kiek++;
    }
    girls_ats = all / kiek;

    return girls_ats;
}

double VidBoysUgis (int boys[], int index_boys, double& boys_ats)
{
    double all = 0;
    double kiek = 0;
    for (int i = 0; i < index_boys; i++)
    {
        all += fabs(boys[i]);
        kiek++;
    }
    boys_ats = all / kiek;

    return boys_ats;
}

void GirlsTeam (int girls[], int index_girls, int girls_ats)
{
    ofstream fr(CDfr);

    if (index_girls = 7 && girls_ats >= 175) fr << "Merginu komanda sudaryti galima" << endl;
    else fr << "Merginu komandos sudaryti negalima" << endl;

    fr.close();
}

void BoysTeam (int boys[], int index_boys, int boys_ats)
{
    ofstream fr(CDfr);

    if (index_boys == 7 && boys_ats >= 175) fr << "Vaikinu komanda sudaryti galima" << endl;
    else fr << "Vaikinu komandos sudaryti negalima" << endl;

    fr.close();
}