Simple Traffic Lights - ARDUINO

#include <SoftwareSerial.h>
#include <LiquidCrystal.h>

const int rs =12, en = 11, d4 = 5, d5 = 4, d6 =3, d7 = 2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);

#define RED 10
#define YELLOW 9
#define GREEN 8

void setup()
{
    pinMode(RED, OUTPUT);
    pinMode(YELLOW, OUTPUT);
    pinMode(GREEN, OUTPUT);
    Serial.begin(9600);
    lcd.begin(16,2);
}

void loop()
{
    int COUNTER = 0;
    int REMAININGTIME = 0;

    int REDTIME = 20;
    int YELLOWTIME = 5;
    int GREENTIME = 20;

    digitalWrite(RED, LOW);
    digitalWrite(YELLOW, LOW);
    digitalWrite(GREEN, HIGH);
        for (COUNTER = 0; COUNTER < GREENTIME; COUNTER++)
        {
          REMAININGTIME = GREENTIME - COUNTER;
          lcd.setCursor(0,0);
          lcd.print("GREEN for ");
          if (REMAININGTIME > 9) lcd.setCursor(10,0);
          if (REMAININGTIME < 10) lcd.setCursor(11,0);
          lcd.print(REMAININGTIME);
          lcd.setCursor(8,1);
          lcd.print("seconds.");
          lcd.display();
          if (REMAININGTIME <= YELLOWTIME)
          {
            digitalWrite(YELLOW, HIGH);
            digitalWrite(GREEN, HIGH);
            digitalWrite(RED, LOW);
          }
          Serial.println(REMAININGTIME);
          delay(1000);
          lcd.noDisplay();
          lcd.clear();
        }
    digitalWrite(RED, HIGH);
    digitalWrite(YELLOW, LOW);
    digitalWrite(GREEN, LOW);
        for (COUNTER = 0; COUNTER < REDTIME; COUNTER++)
        {
          REMAININGTIME = REDTIME - COUNTER;
          lcd.setCursor(0,0);
          lcd.print("RED for ");
          if (REMAININGTIME > 9) lcd.setCursor(8,0);
          if (REMAININGTIME < 10) lcd.setCursor(9,0);
          lcd.print(REMAININGTIME);
          lcd.setCursor(8,1);
          lcd.print("seconds.");
          lcd.display();
          if (REMAININGTIME <= YELLOWTIME)
          {
            digitalWrite(YELLOW, HIGH);
            digitalWrite(RED, HIGH);
            digitalWrite(GREEN, LOW);
          }
          Serial.println(REMAININGTIME);
          delay(1000);
          lcd.noDisplay();
          lcd.clear();
        }
}