int ledpin =13;

void setup() {
  // put your setup code here, to run once:
pinMode(ledpin,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(ledpin, HIGH);
delay(250);
digitalWrite(ledpin, HIGH);
delay(250);
} 


int ledpin =12;

void setup() {
  // put your setup code here, to run once:
pinMode(ledpin,OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(ledpin, LOW);
delay(250);
digitalWrite(ledpin, LOW);
delay(250);
}