class program {

define search() {
    if (notNextToABeeper) {
        iterate (4) {
            turnleft();
            putbeeper();
            if (frontIsClear) {
                move();
                search();
                turnleft();
                turnleft();
                move();
            } else {
                pickbeeper();
                turnleft();
                turnleft();
            }
        }
    }
}

program() {
    search();
    turnoff();
}

}