using System;
using System.Text;
//divide number on left and right part
    class Program
    {
        static void Main()
        {

            StringBuilder subStringLeft = new StringBuilder("");
            StringBuilder subStringRight = new StringBuilder("");
            string s = Console.ReadLine();
            int i;
            for (i = 0; i<s.Length/2; i++)
            {
                subStringLeft.Append(s[i]);
            }

            while (i <= s.Length-1)
            {
                subStringRight.Append(s[i]);
                i++;
            }


            int subNumberLeft = int.Parse(subStringLeft.ToString());
            int subNumberRight = int.Parse(subStringRight.ToString());

            Console.WriteLine(subNumberLeft);
            Console.WriteLine(subNumberRight);

            Console.ReadLine();
    }
}