UVA - 10293 - Word Length and Frequency

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
    public static void main(String[] args) throws IOException  {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        char m=' ';
        StringBuilder temp=new StringBuilder("");
        StringBuffer sb=new StringBuffer("");
        boolean first=true,flag=true;
        char last=' ';
        while(flag){
            if(!first){
                sb.append("\n");
            }
            first=false;
            int []arr=new int[31];
            while(true){
                m=(char) br.read();
                int lol =m;
                if(lol==65535){
                    flag=false;
                    break;
                }
               if((m>='a' &&m<='z')||(m>='A' &&m<='Z')){
                   temp.append(m);
                   last=m;
               }
               else if(m=='-'||m=='\''){
                   last=m;
                   continue;
               }else if(m=='#'){
                   for(int i=1;i<arr.length;i++){
                       if(arr[i]>0){
                           sb.append(i).append(" ").append(arr[i]).append("\n");
                       }
                   }
                   break;
               }
               else{
                   if(last!='-'){
                      arr[temp.length()]++;
                      temp=new StringBuilder("");
                   }
                   else{
                       last=' ';
                   }
               }
            }
        }
        System.out.print(sb);
    }
}