CodeEval - Juggling With Zeros - Easy

import java.io.BufferedReader;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

    public static void main(String[] args) throws FileNotFoundException, IOException {

        BufferedReader in = new BufferedReader(new InputStreamReader(System.in));
        StringBuffer sb=new StringBuffer();
        String line;
        while ((line = in.readLine()) != null) {
            if(line.equals("#")){
                break;
            }
            StringTokenizer st=new StringTokenizer(line);
            StringBuilder strBin=new StringBuilder();
            while(st.hasMoreTokens()){
                String rule=st.nextToken();
                if(rule.equals("0")){
                    strBin.append(st.nextToken());
                }else{
                    int n=st.nextToken().length();
                    for(int i=0;i<n;i++){
                       strBin.append(1);
                    }
                }
            }
            sb.append(Long.parseLong(strBin.toString(), 2)).append('\n');
        }
        System.out.print(sb);
    }
   
}