#include <LiquidCrystal.h>

LiquidCrystal lcd (13, 12, 11, 10, 9, 8);

int i = 1;
int b = 100;

#define led 7
#define buzzer 3

void setup() {
  // put your setup code here, to run once:
pinMode(led, OUTPUT);
lcd.begin(16, 2);
lcd.setCursor(2,0);
lcd.print("LAUNCHING!!!");
delay(2000);
lcd.setCursor(3,1);
  lcd.print("%");
}		

void loop() {
  // put your main code here, to run repeatedly:
if (i < b){
  i = i + 1;
  lcd.setCursor(0,1);
  lcd.print(i);
}else{
  axen();
}

delay(30);

}

void axen() {
  if (i = 100){
    digitalWrite(led, HIGH);
    tone(buzzer, 1000);
    lcd.setCursor(8,1);
      lcd.print("Alart!!!");

      delay(3000);

      digitalWrite(led, LOW);
      noTone(buzzer);
    lcd.setCursor(8,1);
      lcd.print(" ");
    lcd.setCursor(9,1);
      lcd.print(" ");
    lcd.setCursor(10,1);
      lcd.print(" ");
    lcd.setCursor(11,1);
      lcd.print(" ");      
    lcd.setCursor(12,1);
      lcd.print(" ");
    lcd.setCursor(13,1);
      lcd.print(" ");
    lcd.setCursor(14,1);
      lcd.print(" ");
    lcd.setCursor(15,1);
      lcd.print(" ");
    
    delay(3000);
  }else{
    loop();
  }
}