Poj Solution 2403

http://poj.org/problem?id=2403

import java.util.*;   
  
public class Main {   
  
    public static void main(String[] args) {   
        Scanner cin = new Scanner(System.in);   
           
        String[] fLine = cin.nextLine().split(" ");   
        int kwNum = Integer.valueOf(fLine[0]).intValue();   
        int descNum = Integer.valueOf(fLine[1]).intValue();   
           
        HashMap hm = new HashMap();   
           
        for(int i = 0; i < kwNum; i++)   
        {   
            String[] str = cin.nextLine().split(" ");   
            hm.put(str[0], str[1]);   
        }   
           
        for(int i = 0; i < descNum; i++)   
        {   
            StringBuffer sb = new StringBuffer();   
            String job = null;   
            int salary = 0;   
               
            while(true)   
            {   
                job = cin.nextLine();   
                if(job.equals("."))   
                    break;   
                else  
                    sb.append(job + " ");   
            }   
            job = sb.toString().trim();   
               
            if(job.length() == 0)   
            {   
                System.out.println("0");   
                continue;   
            }   
            int eIndex = 0;   
            String word = null;   
            while(true)   
            {   
                eIndex = job.indexOf(" ");   
                if(eIndex == -1 || eIndex == 0)   
                {   
                    if(hm.containsKey(job))   
                        salary += Integer.valueOf((String)hm.get(job));   
                    break;   
                }   
                word = job.substring(0, eIndex);   
                job = job.substring(eIndex + 1).trim();   
                   
                if(hm.containsKey(word))   
                    salary += Integer.valueOf((String)hm.get(word));   
            }   
            System.out.println(salary);   
        }   
  
    }   
  
}