// A21.java


import java.util.*;

public class A21 {

  private final static String B = "01";

  public static void main(String[] args) {

    ArrayList<String> given = init();

    ArrayList<ArrayList<Integer>> computed = compute(given);

    output(computed);

    output(computed);

  }

  public static ArrayList<String> init() {
    ArrayList<String> given = new ArrayList<String>();

    given.add("01010101");
    given.add("11011001");
    given.add("10001000");
    given.add("00010011");

    return given;
  }

  public static ArrayList<ArrayList<Integer>> compute(final ArrayList<String> given) {
    ArrayList<ArrayList<Integer>> computed = new ArrayList<ArrayList<Integer>>();

    int n = given.size();

    for(int i=0; i<n; ++i) {
      String t = given.get(i);

      ArrayList<Integer> counts = count(t);

      computed.add(counts);
    }

    return computed;
  }

  public static ArrayList<Integer> count(final String t) {
    ArrayList<Integer> counts = new ArrayList<Integer>();

    char b = B.charAt(0);

    int[] k = {0,0};

    int l = t.length();
    for(int j=0; j<l; ++j)
      if(t.charAt(j)==b) ++k[0];
      else ++k[1];

    counts.add(new Integer(k[0]));
    counts.add(new Integer(k[1]));

    return counts;
  }

  private static int k = 0;

  public static void output(final ArrayList<ArrayList<Integer>> computed) {
    int m = computed.size();

    System.out.println();

    for(int i=0; i<m; ++i) {
      ArrayList<Integer> aL = computed.get(i);
      System.out.println(aL.get(k));
    }

    ++k;
  }

}