public class Test62 {

  public static int ABC = 0;

  public void m() {
    int a;
    a = 0;
    int b = 0;
    if (a == 0) {
      a++;
      System.out.println(a);
    } else {
      a++;
      a = -b;
      System.out.println(a);
    }
    System.out.println(a);
    System.out.println(b);
  }
}