import java.util.*;
import java.util.regex.*;
import java.lang.*;
 
class Main {
    public static void main (String[] args) throws java.lang.Exception {
 
        String input= "$.store.book[Random(1,9)].title";
        System.out.println("Input: "+ input);
        Pattern p = Pattern.compile("(?<=\\[)Random\\((\\d+),(\\d+)\\)(?=\\])");
        Matcher m = p.matcher(input);
        String output = input;
        if(m.find()) {
            int min = Integer.valueOf(m.group(1));
            int max = Integer.valueOf(m.group(2));
            int randomNumber = min + (int)(Math.random() * ((max - min) + 1));
            output = output.substring(0, m.start())+ randomNumber + output.substring(m.end());
        }
        System.out.println("Output: "+ output );
 
    }
}

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