import java.util.*;
public class Main{
public static void main(String[] args)
{
    Scanner vs = new Scanner(System.in);
    int n= vs.nextInt();
    if(n<0 || n>1000 )
    {
        System.out.print("Invalid input");
        return;
    int arr[] = new int[n];
    if(!vs.hasNextInt())
    {
      System.out.print("Invalid input");
      return;
    }
    
     
    }
      for(int i=0; i<n;i++){
          arr[i]=vs.nextInt();
          System.out.print(arr[i]+ " ");
      } System.out.println();
    for(int i=n-1; i>=0 ;i--)
    {
        System.out.print(arr[i]+ " ");
       
    } 
    
}
}