// Mini-proyek Bagian 1: Statistik Nilai -- versi selesai.
//
// Compile:  g++ -std=c++17 -O2 -o statistik projects/01-statistik-nilai/finished.cpp
// Jalankan: ./statistik < projects/01-statistik-nilai/contoh-masukan.txt

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

const int MAKS = 100005;
int nilai[MAKS];

char huruf(int n) {
    if (n >= 90) return 'A';
    if (n >= 80) return 'B';
    if (n >= 70) return 'C';
    if (n >= 60) return 'D';
    return 'E';
}

int main() {
    int n;
    cin >> n;
    for (int i = 0; i < n; i++) cin >> nilai[i];

    int rendah = nilai[0], tinggi = nilai[0];
    long long jumlah = 0;

    for (int i = 0; i < n; i++) {
        if (nilai[i] < rendah) rendah = nilai[i];
        if (nilai[i] > tinggi) tinggi = nilai[i];
        jumlah += nilai[i];
    }

    double rata = (double)jumlah / n;

    int di_atas = 0;
    int cacah[5] = {0, 0, 0, 0, 0};      // A, B, C, D, E

    for (int i = 0; i < n; i++) {
        if (nilai[i] > rata) di_atas++;
        cacah[huruf(nilai[i]) - 'A']++;
    }

    cout << rendah << "\n";
    cout << tinggi << "\n";
    cout << fixed << setprecision(2) << rata << "\n";
    cout << di_atas << "\n";
    for (int i = 0; i < 5; i++) {
        if (i > 0) cout << " ";
        cout << cacah[i];
    }
    cout << "\n";
    return 0;
}