using System;

using System.Text;

public class Program

{

    public static void Main()

    {

        char[] even = new Char[5];

        char[] odd = new Char[5];

        //This is just for output or sample. Use your code here

        even[0] = 'a';

        even[1] = 'b';

        even[2] ='c';

        even[3] = 'd';

        even[4] = 'e';

        odd[0] = 'z';

        odd[1] = 'y';

        odd[2] ='x';

        odd[3] = 'w';

        odd[4] = 'v';

    StringBuilder sb = new StringBuilder();

    sb.Append(even);

    sb.Append(odd);

    Console.WriteLine(sb.ToString());

    }

}