void setup() {
  pinMode(2, INPUT);// put your setup code here, to run once:
  pinMode(4, OUTPUT);
  pinMode(12, INPUT);// put your setup code here, to run once:
  pinMode(7, OUTPUT);
  int state1;
  int state2;
}
void loop() {
  int state1 = digitalRead(2);// put your main code here, to run repeatedly:
  if(state1 == HIGH)
  {  
    digitalWrite(4,LOW);
    delay(2000);
  }
  if(state1 == LOW)
  {
    digitalWrite(4,HIGH);
    delay(5000);
  }
    
  int state2 = digitalRead(12);// put your main code here, to run repeatedly:
  if(state2 == HIGH)
  {  
    digitalWrite(7,LOW);
    delay(2000);
  }
  if(state2 == LOW)
  {
    digitalWrite(7,HIGH);
    delay(5000);
    
  
  }

}