void setup(){
pinMode(14, OUTPUT);
pinMode(12, INPUT);
pinMode(27, INPUT);
}
int bt1=0,
bt2=0,
k1=0;
void loop(){
  bt1=digitalRead(12);
  bt2=digitalRead(27);
  if ((bt1 == 1)||(k1 == 1)){
    k1=1;
    digitalWrite(14, HIGH);
delay(1000);
digitalWrite(14, LOW);
delay(1000);
  }
  if(bt2==1){
    k1=0;
    digitalWrite(14,LOW);
  }
}