/* 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
	{
		String test = "22A 302 abc";
        String works = test.replaceAll("^.*[\\d ]([A-Z])[ \\d].*$", "$1");
        System.out.println(works);
	}
}