// A21.cs


using System;
using System.Collections;

public class A21
{
  private static string B = "01";

  public static void Main(string[] args)
  {
    ArrayList Given = init();
    
    ArrayList Computed = Compute(Given);

    Output(Computed);

    Output(Computed);
  }

  public static ArrayList init()
  {
    ArrayList Given = new ArrayList();

    Given.Add("01010101");
    Given.Add("11011001");
    Given.Add("10001000");
    Given.Add("00010011");

    return Given;
  }

  public static ArrayList Compute(ArrayList Given) 
  {
    ArrayList Computed = new ArrayList();

    int N = Given.Count;

    for(int i=0; i<N; ++i) 
    {
      string T = (string)Given[i];

      ArrayList Counts = Count(T);

      Computed.Add(Counts);
    }

    return Computed;
  }

  public static ArrayList Count(string T) 
  {
      ArrayList Counts = new ArrayList();

      char b = B[0];

      int[] k = new int[]{0,0};

      int L = T.Length;
      for(int j=0; j<L; ++j)
        if(T[j]==b) ++k[0];
        else ++k[1];

      Counts.Add(k[0]);
      Counts.Add(k[1]);

    return Counts;
  }

  private static int K = 0;

  public static void Output(ArrayList Computed) 
  {
    int M = Computed.Count;

    Console.WriteLine();

    for(int i=0; i<M; i++) {
      ArrayList AL = (ArrayList)Computed[i];
      Console.WriteLine("{0}", AL[K]);
    }

    ++K;
  }

}