int inputpins[] ={2,3,4,5};
int ledpins[] = {10,11,12,13};
void setup() {
  for(int index = 0;index < 4;index++)
  {
     pinMode(ledpins[index], OUTPUT);
     pinMode(inputpins[index], INPUT);

     digitalWrite(inputpins[index], HIGH);


  }
}



void loop() {
  for(int index = 0 ; index < 4 ; index++)
  {
      int val = digitalRead(inputpins[index]);
          if (val == LOW)
          {
            digitalWrite(ledpins, HIGH);
          }
          else 
          {
            digitalWrite(ledpins, LOW);
          }

  }
}