import java.util.Scanner;

public class Main {

    public static String fillWithZeros(String string) {
        if (string.length() == 8)
            return string;
        else
            return fillWithZeros("0"+string);
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.println("Please type 1 for string->binaryString or 2 for binaryString->string");
        int type;
        do {
            type = in.nextInt();
        } while (!(type == 1 || type == 2));

        String chain;
        if (type == 1) {
            System.out.println("Please type in your string to convert");
            in.nextLine();
            chain = in.nextLine();
            String output = "";
            for (char x : chain.toCharArray()) {
                String temp = Integer.toBinaryString((int) x);
                temp = fillWithZeros(temp);
                output += temp;
            }
            System.out.println("Converted string->binaryString: "+output);
        }
        else {
            System.out.println("Please type in your binaryString to convert");
            in.nextLine();
            chain = in.nextLine();
            String[] string = chain.split("");
            String current = "";
            String output = "";
            for (int i = 0; i < string.length; i++) {
                if (i%8 == 0 && i != 0) {
                    int a = Integer.parseInt(current, 2);
                    output += (char) a;
                    current = "";
                }
                current += string[i];
            }
            int a = Integer.parseInt(current, 2);
            output += (char) a;
            System.out.println(output);
        }
    }
}