/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
 
import java.util.List;
import java.util.stream.IntStream;
 
/* 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
	{
 
		List < String > list = List.of( "😷Alice" , "Bob" , "Carol" );
		for ( String s : list )
		{
		    IntStream codePointsStream = s.codePoints();
		    int[] codePoints = codePointsStream.toArray();
		    if ( codePoints.length > 0 )
		    {
		        int firstCodePoint = codePoints[ 0 ];
		        int lastCodePoint = codePoints[ codePoints.length - 1 ];
		        System.out.println( Character.toString( firstCodePoint ) + "/" + Character.toString( lastCodePoint ) );
		    }
		}
 
	}
}

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