#include <iostream>
#include <cmath>
#include <algorithm>
#include <vector>

using namespace std;

vector<int> v;
int main()
{
    freopen("DATA2.txt", "r", stdin);
    freopen("OUT2.txt", "w", stdout);
    v.push_back(2);
    for (int j = 0; j < 5; j++)
    {
        int max;
        cin >> max;
        int value = 0;
        for (int i = 2; i <= max; i++)
        {
            bool yes = 1;
            for (int z = 2; z <= sqrt((double)i); z++)
            {
                if (i%z==0)
                {
                    yes = false;
                    break;
                }
            }
            if (yes)
            {
                value += i;
            }
        }
        cout << value << endl;
    }
    return 0;
}