#define LED1 23
#define LED2 18
#define PB1 27
#define PB2 25
void setup()
{
Serial.begin(115200);
Serial.println("blink program started");
  pinMode(LED1,OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(PB1, INPUT);
  pinMode(PB2, INPUT);
}
void loop()
{
  if(digitalRead(PB1) ==1)
{
  digitalWrite(LED1,HIGH);
}
else
{
  digitalWrite(LED1,LOW);
}

  if(digitalRead(PB2) ==1)
{
  digitalWrite(LED2,HIGH);
}
else
{
  digitalWrite(LED2,LOW);
} 

}