#include <bits/stdc++.h>
using namespace std;

int main() {
    const int n = 1e8;
    vector<bool> asal_mi(n + 1, 1);
    vector<int> asallar;
    for (int i = 2; i <= n; i++) {
        if (!asal_mi[i])
            continue;
        asallar.push_back(i);
        for (int k = 2 * i; k <= n; k += i)
            asal_mi[k] = false;
    }
    cout << "Asal sayisi:   " << asallar.size() << "\n";
    cout << "En kucuk asal: " << asallar.front() << "\n";
    cout << "Medyan asal:   " << asallar[asallar.size() / 2] << "\n";
    cout << "En buyuk asal: " << asallar.back() << "\n";
}