const int pinButton = 2;
const int pinButton1 = 3;
const int pinButton2 = 4;
const int pinButton3 = 5;
const int numLED = 4;
const int pinLED[numLED] = {8,9,10,11};


void setup() {
  pinMode(pinButton, INPUT);
  pinMode(pinButton1, INPUT);
  pinMode(pinButton2, INPUT);
  pinMode(pinButton3, INPUT);
  for(int i=0; i<4; i++)
  pinMode(pinLED[i], OUTPUT);
  
  digitalWrite(pinButton, HIGH);
  digitalWrite(pinButton1, HIGH);
  digitalWrite(pinButton2, HIGH);
  digitalWrite(pinButton3, HIGH);
  }

void loop() {
  if(digitalRead(pinButton)== LOW)
  for(int i=0; i<4; i++){
    digitalWrite(pinLED[i], HIGH);
  }
  if(digitalRead(pinButton)== HIGH)
  for(int i=0; i<4; i++){
    digitalWrite(pinLED[i], LOW);
  }
  if(digitalRead(pinButton1)== LOW)
  for(int i=0; i<4; i++){
    digitalWrite(pinLED[i], HIGH);
  }
  if(digitalRead(pinButton1)== HIGH)
  for(int i=0; i<4; i++){
    digitalWrite(pinLED[i], LOW);
  }
  if(digitalRead(pinButton2)== LOW)
  for(int i=0; i<4; i++){
    digitalWrite(pinLED[i], HIGH);
  }
  if(digitalRead(pinButton2)== HIGH)
  for(int i=0; i<4; i++){
    digitalWrite(pinLED[i], LOW);
  }
  if(digitalRead(pinButton3)== LOW)
  for(int i=0; i<4; i++){
    digitalWrite(pinLED[i], HIGH);
  }
  if(digitalRead(pinButton3)== HIGH)
  for(int i=0; i<4; i++){
    digitalWrite(pinLED[i], LOW);
  }
}