#pragma config(StandardModel, "EV3_REMBOT")

task main()
{
    int distance = 20;

    while(SensorValue[sonarSensor]>distance)
    //ÃÊÀ½ÆÄ ¼¾¼­¿Í Àü¹æ Àå¾Ö¹°±îÁöÀÇ °Å¸®°¡ 20cm ÀÌ»óÀ̸é
    {
        setMotorSpeed(motorB, 75);  //75% Ãâ·ÂÀ¸·Î ÀüÁø
        setMotorSpeed(motorC, 75);  //75% Ãâ·ÂÀ¸·Î ÀüÁø
    }

    setMotorSpeed(motorB, 0);                    
    setMotorSpeed(motorC, 0);
}