import java.util.regex.Pattern;
import java.util.regex.Matcher;
class FindNonDigitString {
public static void main(String[] args) {
String[] names = {"abhi", "Nilesh", "nil1", "1", "O", "3"};
String regx = "[a-zA-Z]+$";
Pattern pattern = Pattern.compile(regx);
for(String name : names){
Matcher matcher = pattern.matcher(name);
if(matcher.find())
System.out.println(name);
}
System.out.println("Hello World!");
}
}
public class CountFrequency{
public static void main(String args[]){
System.out.println("Hello");
}
}
