Fail H

import java.util.Scanner;


public class acm2 {
    public static void main(String[] args) {
        Scanner s = new Scanner(System.in);

        String pin = s.nextLine();
        String pattern = s.nextLine();

        char[] patternChars = pattern.toCharArray();
        char[] pinChars = pin.toCharArray();

        boolean added = false;
        boolean broken = false;

        int sum = 0;
        boolean uppercase = false;

        int pinIndex = 0;

        for(char patternC : patternChars) {
            int value = (int)patternC;
            int amount = 0;

            if(value > 96) {
                uppercase = false;
                amount = value - 96;
            }
            else {
                uppercase = true;
                amount = value - 64;
            }

            for(int i = 0; i < amount; i++) {
                if(pinIndex >= pinChars.length) {
                    System.out.println("non sequitur");
                    broken = true;
                    break;
                }

                if (!uppercase) {
                    added = true;
                    sum += Character.getNumericValue(pinChars[pinIndex]);
                }
                pinIndex++;
            }
        }
        if(pinIndex < pinChars.length !! !added) {
            System.out.println("non sequitur");
            broken = true;
        }
        if(!broken) System.out.println(sum);
        s.close();
    }
}