const int LED1 = 12;
const int LED2 = 7;
const int PTN1 = 13;
const int PTN2 = 2;

void setup()
{
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(PTN1, INPUT);
  pinMode(PTN2, INPUT);
}

void loop()
{
  if (digitalRead(PTN1)==HIGH)
  {
    digitalWrite(LED1, HIGH);
    delay (1000);
    digitalWrite(LED1, LOW);
    delay (1000);
  }
  else if (digitalRead(PTN2)==HIGH)
  {
    digitalWrite(LED2, HIGH);
    delay (400);
    digitalWrite(LED2, LOW);
    delay (400);
  }
}