An array of integers has been rearranged so that elements originally at even indices appear first, followed by those at odd indices, while maintaining their relative order. The indices start from . Given this rearranged array as input, your task is to restore the elements to their original order.
The first line contains a natural number . The second line contains integers, each with an absolute value not exceeding .
Print the elements of the array in a single line, separated by spaces, in their original order.
Example 1