using System;

//: input="MACHINE" input 2="LEARNING"

//Output should be "INGCHIRNMA"

//input1="WIPRO" input 2="TECHNOLOGIES"

//Output should be "GIESPNOLOWI"

​

public class Program

{

    public static void Main()

    {

    string str1=Console.ReadLine();

        string str2=Console.ReadLine();

        int l1=str1.Length;

        int l2=str2.Length;

        string[,] res=new String[2,3];

        string[] words={str1,str2};

        string password="";

        for(int i=0;i<2;i++)

        {

         int len = words[i].Length;

         if(len%3==0 || len%3==1)

           {

             res[i,0] = words[i].Substring(0, len/3);

             res[i,1] = words[i].Substring(len/3, (len-len/3)-len/3);

             res[i,2] = words[i].Substring(len-len/3);

           }

        else

           {

             res[i,0] = words[i].Substring(0, len/3+1);

             res[i,1] = words[i].Substring(len/3+1, len/3);

             res[i,2] = words[i].Substring(len-len/3-1);

           }

     }

        for(int a=0;a<2;a++)

        {

            for(int b=0;b<3;b++)

            {

                Console.WriteLine(res[a,b]);

            }

        }

        password=(res[1,2]+res[0,1]+res[1,1]+res[0,0]);

        Console.WriteLine(password);

​

    }

}