import java.io.*;
import java.util.*;
import java.math.*;

public class q2 
{
	public static void main(String[] args)throws IOException
	{
		BufferedReader bf = new BufferedReader(new FileReader("DATA2.txt"));
		PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("OUT2.txt")));
		
		List<Integer> p = new ArrayList<Integer>();
		
		boolean prime[] = new boolean[100001];
		
		for (int i = 2; i <= 100000; i++)
		{
			if (prime[i])
				continue;
			else
			{
				prime[i] = true;
				p.add(i);
			}
			for (int j = i; j <= 100000; j += i)
				prime[j] = true;
		}
		
		for (int a = 0; a < 5; a++)
		{
			int n = Integer.parseInt(bf.readLine());
			int total = 0;
			
			for (int i = 0; i < p.size(); i++)
			{
				if (p.get(i) <= n)
					total += p.get(i);
				else
					break;
			}
			
			out.println(total);
		}
		
		out.close();
	}

}