const int pb1 = 7;
const int pb2 = 6;
const int led = 8;
void setup() {
  pinMode(pb1, INPUT);
  pinMode(pb2, INPUT);
  pinMode(led, OUTPUT);
  // put your setup code here, to run once:

}

void loop() {
  // put your main code here, to run repeatedly:
if (digitalRead(pb1)==1 &&
digitalRead(pb2)==0){
  digitalWrite(led, HIGH);  // Turn on the first LED
  digitalWrite(led, LOW);   // Turn off the second LED
  delay(1000);                   // Wait for 1 second

  digitalWrite(led, LOW);   // Turn off the first LED
  digitalWrite(led, HIGH);  // Turn on the second LED
  delay(1000);   
}
if (digitalRead(pb1)==1 &&
digitalRead(pb2)==1){
  digitalWrite(led, HIGH);  // Turn on the first LED
  digitalWrite(led, LOW);   // Turn off the second LED
  delay(300);                   // Wait for 1 second

  digitalWrite(led, LOW);   // Turn off the first LED
  digitalWrite(led, HIGH);  // Turn on the second LED
  delay(300);   
}
}