1012

#include<iostream>
#include<string>
#include<vector>
#include<iomanip>

using namespace std;

int a_sum(vector<int> a)
{
    int sum = 0;
    for (auto r : a)
    {
        if (r % 2 == 0)
        {
            sum = sum + r;
        }
    }
    return sum;
}
int a_jc(vector<int> a)
{
    int jc = 0;
    int sign = 1;
    for (auto r : a)
    {
        jc = jc + sign*r;
        sign = -sign;
    }
    return jc;
}
int a_count(vector<int> a)
{
    return a.size();
}

double a_aver(vector<int> a)
{
    double sum = 0.0;
    for (auto r : a)
    {
        sum = sum + r;
    }
    return sum / static_cast<double>(a.size());
}

int a_max(vector<int> a)
{
    int max = 0;
    for (auto r : a)
    {
        if (r >= max)
            max = r;
    }
    return max;
}

int main()
{
    vector<int> a1, a2, a3, a4, a5;
    unsigned n = 0;
    unsigned tmp;

    cin >> n;
    while (n > 0 && cin >> tmp)
    {
        switch (tmp%5)
        {
        case 0:
            a1.push_back(tmp);
            break;
        case 1:
            a2.push_back(tmp);
            break;
        case 2:
            a3.push_back(tmp);
            break;
        case 3:
            a4.push_back(tmp);
            break;
        case 4:
            a5.push_back(tmp);
            break;
        }
        --n;
    }

    if (a1.size() > 0 && a_sum(a1)!=0)
        cout << a_sum(a1) << " ";
    else
        cout << "N" << " ";

    if (a2.size() > 0)
        cout << a_jc(a2) << " ";
    else
        cout << "N" << " ";

    if (a3.size() > 0)
        cout << a_count(a3) << " ";
    else
        cout << "N" << " ";

    if (a4.size() > 0)
    {
        cout.setf(ios::fixed);
        cout << setprecision(1) << a_aver(a4) << " ";
    }
    else
        cout << "N" << " ";

    if (a5.size() > 0)
        cout << a_max(a5);
    else
        cout << "N";

    system("pause");
    return 0;
}