// Setup the set for monitoring 
 		    
			private IntWritable result = new IntWritable();
 		    
 		    public void reduce(Text key, Iterable<IntWritable> values, Context context) throws IOException, InterruptedException {
 		    
	 		    HashSet<String> MonitorSet =new HashSet<String>();
	 		    
	 		    MonitorSet.add("05F0001N");
	 		    MonitorSet.add("05F0055N");
	 		    MonitorSet.add("05F0287N");
	 		    MonitorSet.add("05F0309N");
	 		    MonitorSet.add("05F0438N");
	 		    MonitorSet.add("05F0528N");
			
	 		    String KeyStr = key.toString();	
	 		    
	 		    Boolean CheckFlag = false;
				for (String OneKey : MonitorSet) {
					if (KeyStr.contains(OneKey)){
						CheckFlag = true;
						break;
					}
				} // End of for (String OneKey : MonitorSet)
				if (CheckFlag == true) {					
					int sum = 0;
					for (IntWritable val : values) {	
						sum += val.get();
					}
					result.set(sum);
					context.write(key, result);
				} //End of if (CheckFlag == true) {
			} // End of public void reduce(Text key, Iterable<IntWritable> values, Context context)