/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

import java.time.* ;
import java.time.format.* ;

/* 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
	{
		String example = "20180531_132001Z";
		DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyyMMdd_HHmmssX");
		ZonedDateTime dateTime = ZonedDateTime.parse(example, formatter);
        
		System.out.println( dateTime );
	}
}