02. Ascii Sumator

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        char firstChar = scanner.nextLine().charAt(0);
        char secondChar = scanner.nextLine().charAt(0);
        String input = scanner.nextLine();
        int sum = 0;

        for (int i = 0; i < input.length(); i++) {
            char currentChar = input.charAt(i);
            if (currentChar > firstChar && currentChar < secondChar) {
                sum += currentChar;
            }
        }

        System.out.println(sum);
    }
}