int led = 10;
int led1 = 9;
int led2 = 5;
int led3 = 3;
int led4 = 6;

int ldr = A5;

int ir = A0;
int ir1 = A1;
int ir2 = A2;
int ir3 = A3;
int ir4 = A4;

int val = 0;
int val1 = 0;
int val2 = 0;
int val3 = 0;
int val4 = 0;

void setup()
{
  Serial.begin(9600);
  pinMode(led, OUTPUT);
  pinMode(led1, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(led3, OUTPUT);
  pinMode(led4, OUTPUT);
  
  pinMode(ldr, INPUT);
  
  pinMode(ir, INPUT);
  pinMode(ir1, INPUT);
  pinMode(ir2, INPUT);
  pinMode(ir3, INPUT);
  pinMode(ir4, INPUT);

  digitalWrite(led, LOW);
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
  digitalWrite(led4, LOW);
}

void loop()
{
  Serial.println(analogRead(A5));
  int ldrStatus = analogRead(ldr);
  val = digitalRead(ir);
  val1 = digitalRead(ir1);
  val2 = digitalRead(ir2);
  val3 = digitalRead(ir3);
  val4 = digitalRead(ir4);

  if (ldrStatus <= 500) {
    if (val == 0 && val1 == 1 && val2 == 1 && val3 == 1 && val4 == 1) {
      analogWrite(led, 255);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255 / 20);
      delay(1500);
      analogWrite(led, 255  / 20);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255 / 20);  
    } 
    else if (val == 1 && val1 == 0 && val2 == 1 && val3 == 1 && val4 == 1) {
      analogWrite(led, 255 / 20);  
      analogWrite(led1, 255);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255 / 20);
      delay(1500);
      analogWrite(led, 255  / 20);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255 / 20);  
    } 
    else if (val == 1 && val1 == 1 && val2 == 0 && val3 == 1 && val4 == 1) {
      analogWrite(led, 255 / 20);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255 / 20);
      delay(1500);
      analogWrite(led, 255  / 20);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255 / 20); 
    } 
    else if (val == 1 && val1 == 1 && val2 == 1 && val3 == 0 && val4 == 1) {
      analogWrite(led, 255 / 20);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255);
      analogWrite(led4, 255 / 20);
      delay(1500);
      analogWrite(led, 255  / 20);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255 / 20);
    }
    else if (val == 1 && val1 == 1 && val2 == 1 && val3 == 1 && val4 == 0) {
      analogWrite(led, 255 / 20);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255);
      delay(1500);
      analogWrite(led, 255  / 20);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255 / 20);
    } 
    else if (val == 1 && val1 == 1 && val2 == 1 && val3 == 1 && val4 == 1) {
      analogWrite(led, 255 / 20);  
      analogWrite(led1, 255 / 20);  
      analogWrite(led2, 255 / 20);
      analogWrite(led3, 255 / 20);
      analogWrite(led4, 255 / 20); 
    } 
  } else {
    digitalWrite(led, LOW);
    digitalWrite(led1, LOW);
    digitalWrite(led2, LOW);
    digitalWrite(led3, LOW);
    digitalWrite(led4, LOW);
  }
}