C# Solution class Solution {

static void Main(String[] args) {
    /* Enter your code here. Read input from STDIN. Print output to STDOUT. Your class should be named Solution */
    //number of test cases 
    int n = Convert.ToInt32(Console.ReadLine());

    string[] s = new string[n];

    for(int i = 0; i < s.Length; i++)
    { 
        string even = string.Empty;
        string odd = string.Empty;

        s[i] = Console.ReadLine();

        /*Note that :
         string is an array of characters therefore will will convert the 's[i]' to array of 'char'.
        */
        char[] c = s[i].ToCharArray();

        for(int j = 0; j < c.Length ; j++)
        {
            // use modulus '%' to check remainder from the indexes
            if(j % 2 == 0)
              even += c[j]; 
            else
              odd += c[j];       
        }
        Console.Write($"{even} {odd}");
        Console.WriteLine();
    }    


}

}