#include <Arduino.h>

// Define the pin where the LED is connected
String arr[]={"Red","Green","Yellow"}
void setup() {
  // Set the LED pin as an output
  pinMode(27, OUTPUT);
  pinMode(14,OUTPUT);
  pinMode(12,OUTPUT)
}

void loop() {
 for(int i=0;i<3; i++){
  if(arr[i]=="Red"){
    digitalWrite(27,HIGH);
    delay(2000)
  }
  if(arr[i]=="Green"){
    digitalWrite(arr[i]=="Green");
      delay(2000);
    }
  }
  if(arr[i]=="Yellow"){
    digitalWrite(arr[i]=="Yellow");
    delay(2000);
  }
 }
}