import java.io.I0Exception;
import java.util.Iterator;
import org.apache.hadoop.io.IntWritable;
import org.apache.hadoop.io.Text;
import org.apache.hadoop.mapreduce.Reducer;
public class WordcountReducer extends Reducer<Text, IntWritable, Text, IntWritable>{
	@0verride
	protected void reduce(Text key, Iterable<IntWritable> values, Context context)
			throws IException,InterruptedException{
		int sum=0;
		for(IntWritable value :values){
			sum += value.get();
		}
		context.write(key, new IntWritable(sum));
		}
}