import java.lang.* ;
  import java.util.* ;
  
  public class RandSize {
    private String[] fontSize={ "-4", "-3", "-2", "-1", "+1", "+2", "+3", "+4" } ;
    private Random randNum ;
    
    public RandSize() {
      randNum=new Random( ( new Date() ).getTime() ) ;
    }

    public String getFontSize() {
      return fontSize[ Math.abs( randNum.nextInt() )%8 ] ;
    }
  }