package loopex3;
import java.util.Scanner;


public class LoopEx3 {

    public static void main(String[] args) {
     Scanner sc = new Scanner(System.in);
     System.out.println("Input an integer number");
    int i = sc.nextInt();
    if (i<2)
    {
        System.err.println("Please input 2 or larger");
    }
    else{
    for (int a=2; a<=i; a = a+2)
    {
        System.out.println(a);
    }
    }
}
}