#include <iostream>
using namespace std;
 
int main() {
	int n;
	cin >> n;
	int * p_arr = new int[n];
	int * p2arr = new int[n];
	int * p3arr = new int[2*n];
 
	for(int i = 0 ; i < n ; i++)
	{		
			cin >> p_arr[i];	
	}
	for(int i = 0 ; i < n ; i++)
	{		
			cin >> p2arr[i];	
	}
	for(int i = n ; i > 0 ; i--)
	{		
			p3arr[2*i] = p_arr[i] ;
			p3arr[2*(i-1)] = p2arr[i] ;
	}
	for(int i = 2*n ; i > 0 ; i--)
	{		
			cout << p3arr[i] << " ";	
	}
	delete [] p_arr;
	delete [] p2arr;
	delete [] p3arr;
 
	// your code goes here
	return 0;}
 

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