Rocket Tracker

#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 5, 4, 3, 2);
int timeToLift = 50;
int timeToLand = 50;
String countDown = "";
String countDown1 = "";

void setup() {
  lcd.begin(16, 2);
  
  lcd.print("Welcome To:");
  lcd.setCursor(0, 1);
  lcd.print("Rocket Tracker");
  lcd.setCursor(0, 0);
  
  pinMode(7, INPUT);
  pinMode(8, INPUT);
  
  delay(1000);
}

void loop() {
  if(digitalRead(7) == HIGH) {
    while(timeToLift > -1) {
    lcd.clear();
    lcd.setCursor(0, 0);
    countDown = "T- " + String(timeToLift);
    lcd.print(countDown);
    
    timeToLift += -1;
    delay(999);
    }
    
    lcd.clear();
    lcd.print("LIFTOFF!!");

    delay(2000);
    lcd.clear();
    
  } else {timeToLift = 50;}
    
  if(digitalRead(8) == HIGH) {
    while(timeToLand > random(-44, -24)) {
    lcd.clear();
    lcd.setCursor(0, 0);
    countDown1 = "T- " + String(timeToLand);
    lcd.print(countDown1);
    
    timeToLand += -1;
    delay(999);
    
  }
  
  lcd.clear();
  lcd.print("LANDING!!");
  delay(2000);
  lcd.clear();
  lcd.print("Arduino 11");
  lcd.setCursor(0, 1);
  lcd.print("Has LANDED!!");
  delay(2000);
  lcd.setCursor(0, 0);
  
  lcd.clear();
  lcd.print("Sucsessfully:");
  lcd.setCursor(0, 1);
  lcd.print("LATE!!");
  delay(2000);
  lcd.setCursor(0, 0);
  
  } else {
      timeToLand = 50;
      
      if(digitalRead(7) == LOW && digitalRead(8) == LOW) {
      
        lcd.clear();
        lcd.print("Rocket:");
        lcd.setCursor(0, 1);
        lcd.print("Arduino 11");
        lcd.setCursor(0, 0);
  
      }
  }
  
  delay(100);
  
//  lcd.clear();
  
}