package org.indigo.tests;

public class tt {

	static String dealDate(String date)
	{
	String temp="";
	if(date!=null)
	{
	String year=date.trim().substring(0,4);
	String month=date.trim().substring(4,6);
	String day=date.trim().substring(6,8);
	temp=year+"-"+month+"-"+day;
	
	}
	
	return temp;
	}
	public static void main(String args[])
	{
	String ss=	dealDate("20075689");
	System.out.println(ss);
	}
}