import java.util.*;


public class ccc1 {

	/**
	 * @param args
	 */
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);

		float distance = -1;
		float speed = 0.0f;

		//Speedlimits
		float currentlimit = 1000.0f;
		float distanceToNextLimit = 1000.0f;
		float nextlimit = 1000.0f;

		float simulationStep = 1/60.0f;
		float brake = -21.0f;

		while(scan.hasNextLine()) {
			String s = scan.nextLine();
			if(s.contains("distance")) {
				distance = Float.parseFloat(s.substring(9));
			}
			if(s.contains("speed")) {

				System.out.println(s.substring(6));

			}
			if(s.contains("speedlimit")) {
				String split[] = s.split(" ");
				currentlimit = Float.parseFloat(split[1]);
				distanceToNextLimit = Float.parseFloat(split[2]);
				nextlimit = Float.parseFloat(split[3]);
			}
			if(s.contains("update")) {
				if(distance < 1500) {
					float deltaSpeed = speed - nextlimit;
					double brakeWay = Math.pow(deltaSpeed, 2) / 2 * 5.8f;

					if(brakeWay >= distanceToNextLimit) {
						System.out.println("throttle 0");
						System.out.println("brake 100");
					} else {
						if(speed < currentlimit) {
							System.out.println("throttle 100");
							System.out.println("brake 0");
						} else {
							System.out.println("throttle 0");
							System.out.println("brake 0");
						}
					}

				} else {
					System.out.println("throttle 0");
					System.out.println("brake 100");
				}
			}

		}


	}

}