import java.util.Arrays;
import java.util.Scanner;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Demo {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String line = "";
        StringBuilder input = new StringBuilder();
        while (!(line = scanner.nextLine()).equals("Visual Studio crash")) {
            input.append(line).append(" ");
        }
        String[] strings = input.toString().split("32656 19759 32763");
        Pattern pattern = Pattern.compile("[0]{1}[ ]{1}(?<count>[1-9]{1,}) [0]{1} ");
        for (String current : strings) {
            Matcher matcher = pattern.matcher(current);
            while (matcher.find()) {
                int count = Integer.parseInt(matcher.group("count"));
                String str = matcher.replaceAll("").trim();
                int[] tokens = Arrays.stream(str.split(" ")).mapToInt(Integer::parseInt).toArray();
                StringBuilder word = new StringBuilder();
                for (int j = 0; j < count; j++) {
                    word.append((char) tokens[j]);
                }
                System.out.println(word);
            }
        }
    }
}