import java.io.*; import java.util.*; import java.text.*; import java.math.*; import java.util.regex.*; public class Solution { public static void main(String[] args) { Scanner in = new Scanner(System.in); int g = in.nextInt(); int[] Table = new int[100001]; boolean[] isPrime = new boolean[100001]; Arrays.fill(isPrime,true); for(int factor=2; factor*factor<=isPrime.length; factor++){ if(isPrime[factor]){ for(int j=2;factor*j