/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.regex.Matcher;  
import java.util.regex.Pattern;
 
/* 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
	{
		Scanner scannerName = new Scanner(System.in);
        String name = scannerName.next();
        boolean res = (name.length() <= 5) && (name.length() > 0);
        if (res)
            for (int i=0;i<name.length();i++){
            	char c = name.charAt(i);
                if (c < 'a' || c > 'z') {
                	res = false;
                	break;
                }
            }    
        System.out.println(name + " " +  res);
 
        Pattern p = Pattern.compile("[a-z]{1,5}");  
        Matcher m = p.matcher(name);  
        System.out.println("reg: "+ name +" " + m.matches());
	}
}

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