public void map(LongWritable key, Text value, OutputCollector<Text, IntWritable> output, Reporter reporter) throws IOException {
	       String line = value.toString();
	       StringTokenizer tokenizer = new StringTokenizer(line);
	       while (tokenizer.hasMoreTokens()) {
	         word.set(tokenizer.nextToken());
	         output.collect(word, one);
	       }
     }
}