<?php
/**
 * Auto-generated code below aims at helping you parse
 * the standard input according to the problem statement.
 **/

fscanf(STDIN, "%d %d %d %d %d %d %d %d",
    $nbFloors, // number of floors
    $width, // width of the area
    $nbRounds, // maximum number of rounds
    $exitFloor, // floor on which the exit is found
    $exitPos, // position of the exit on its floor
    $nbTotalClones, // number of generated clones
    $nbAdditionalElevators, // ignore (always zero)
    $nbElevators // number of elevators
);

$elevatorsPos = array();

for ($i = 0; $i < $nbElevators; $i++) {
    fscanf(STDIN, "%d %d",
        $elevatorFloor, // floor on which this elevator is found
        $elevatorPos // position of the elevator on its floor
    );

    $elevatorsPos[$elevatorFloor] = $elevatorPos;
}

$elevatorsPos[$exitFloor] = $exitPos;

// game loop
while (TRUE) {
    fscanf(STDIN, "%d %d %s",
        $cloneFloor, // floor of the leading clone
        $clonePos, // position of the leading clone on its floor
        $direction // direction of the leading clone: LEFT or RIGHT
    );

    // Write an action using echo(). DON'T FORGET THE TRAILING \n
    // To debug (equivalent to var_dump): error_log(var_export($var, true));

    if (
        // isset($elevatorsPost[$cloneFloor]) && (
        ($clonePos < $elevatorsPos[$cloneFloor] && $direction === 'LEFT')
        || ($clonePos > $elevatorsPos[$cloneFloor] && $direction === 'RIGHT')
        // )
    ) {
        echo "BLOCK\n";
    } else {
        echo "WAIT\n";
    }
}