/*
 * First.java
 *
 * Created on 2007年12月8日, 下午2:40
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package org.Adam;

import java.util.regex.Pattern;

/**
 *
 * @author Administrator
 */
public class First {
    
    /** Creates a new instance of First */
    public First() {
    }
    public static void main(String[] args) 
	{
		//System.out.println( Pattern.matches("[0-9]{4,5}\\-?[0-9]+","0120-8590457"));
                boolean a=Pattern.matches("[0-9]{3,4}\\-?[0-9]+","0100-80457989");
                if(a==true){
                    System.out.println("true");
                }else{
                    System.out.println("ERROR");
                }
		
	}
}