import java.util.*;
import java.lang.*;
import java.io.*;

class Main {
	public static void main (String[] args) throws java.lang.Exception { 
		int n; 
		Scanner i = new Scanner(System.in); 
		n = i.nextInt(); 
		for (int q = 1; q <= n; q++) { 
			System.out.println(q * 2); 
			
		} 
		
	} 
	
}