import utmech.mechanompu.sensor.*;
import utmech.mechanompu.*;
import utmech.mechanompu.io.*;

public class BumperTest {
    private static boolean keywait(long milisec) {
        long current_time, end_time;
        current_time=timer.gettime();
        end_time=current_time+milisec;
        while (current_time < end_time) {
            current_time=timer.gettime();
            if (key.scan()!=key.nokey) {
                while (key.scan()!=key.nokey);
                return (true);
            }
        }
        return (false);
    }

    public static void main(String arg[]) {
        while (key.scan()!=key.nokey);
        while (true) {
            System.out.println("left:"+bumper.l());
            System.out.print  ("right:"+bumper.r());
            if (keywait(1000)) break;
            System.out.println();
        }
    }
}