int LED1 = 10;
int LED2 = 11;
int LED3 = 12;
int Button = 9;
int COLUMN = 16;
int ROW = 2;

#include <LiquidCrystal_I2C.h>;

LiquidCrystal_I2C lcd(0x27, COLUMN, ROW);

void setup() {
  // put your setup code here, to run once:
pinMode(LED1, OUTPUT);
pinMode(LED2, OUTPUT);
pinMode(LED3, OUTPUT);
lcd.init();
lcd.backlight();
}

void loop() {
  // put your main code here, to run repeatedly:
int i;


int buttonstate = digitalRead(Button);

if (buttonstate == HIGH) {
lcd.setCursor(7,0);
lcd.print("NOW");

lcd.setCursor(3,1);
lcd.print("FUNCTIONING");

 digitalWrite(LED1, HIGH);
 digitalWrite(LED2, LOW);
 digitalWrite(LED3, LOW);
 delay(1000);
 digitalWrite(LED1, LOW);
 digitalWrite(LED2, HIGH);
 digitalWrite(LED3, LOW);
 delay(1000);
 digitalWrite(LED1, LOW);
 digitalWrite(LED2, LOW);
 digitalWrite(LED3, HIGH);
 delay(1000);
}
 else {
  digitalWrite(LED1, LOW);
  digitalWrite(LED2, LOW);
  digitalWrite(LED3, LOW);
 }
}