import java.util.*;

public class OneB {

  public Integer firstMethod() { return null;}

  public void secondMethod(Integer parm) { }
 
  public void thirdMethod(Integer parm,Integer parm2) { }

  public void fourthMethod(List<Integer> parm) {}

  public Integer fifthMethod(Integer parm,List<Integer> parm2) { return null; }

}