UVA - 12543 - Longest Word

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("");
        String max="";
        while(true){
           m=(char) br.read();
           if((m>='a' &&m<='z')||(m>='A' &&m<='Z')){
               temp.append(m);
           }
           else if(m=='-'){
               temp.append(m);
           }else{
              if(max.length()<temp.length()) {
                  max=temp.toString();
              }
              temp=new StringBuilder("");
           }
           if(temp.toString().equals("E-N-D")){
               break;
           }
        }
        System.out.println(max.toLowerCase());
    }
}