/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		String sOrigFileName ="ECUW_12_LEHORN1790406_AttachedList_OBL.pdf";
 
		String sBLNumberRef =sOrigFileName.toUpperCase().replace("ECUW_12_",""); 
			System.out.println("HERE 1 "+sBLNumberRef);
					sBLNumberRef = sBLNumberRef.substring(0,sBLNumberRef.toUpperCase().indexOf("_"));
						System.out.println("HERE 2 "+sBLNumberRef);
					sBLNumberRef =sBLNumberRef.replace(" ","");
 
					System.out.println("HERE 3 "+sBLNumberRef);
 
	}
}

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