import java.util.*;
import java.lang.*;
import org.quartz.CronExpression;

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
	  System.out.println(getNextRunTime("0 0/60 * ? * MON-FRI"));
	}


    public static Timestamp getNextRunTime(String cronExpr) 
    { 
        CronExpression expr; 
        try 
        { 
            expr = new CronExpression(cronExpr); 
            Date date = expr.getNextValidTimeAfter( 
                new Date()); 
            
            return ts; 
        } 
        catch (ParseException e) 
        { 
            e.printStackTrace(); 
        } 
        return null; 
    } 
}