int a = 7000;
int b = 3000;
int c = 1000;
int d = 0;
void setup() {
  attachInterrupt(digitalPinToInterrupt(2),interrupt1,HIGH);
  pinMode(1, OUTPUT); // Červená pro řidiče
  pinMode(3, OUTPUT); // Žlutá pro řidiče
  pinMode(4, OUTPUT); // Zelená pro řidiče
  pinMode(8, OUTPUT); // Červená pro chodce
  pinMode(9, OUTPUT); // Zelená pro chodce

}
void loop() {
  digitalWrite(4, HIGH);
  digitalWrite(8, HIGH);
  if (d == 1){
    delay(b);
    digitalWrite(4, LOW);
    digitalWrite(3, HIGH);
    delay(b);
    digitalWrite(1, HIGH);
    digitalWrite(3, LOW);
    delay(b);
    digitalWrite(8, LOW);
    digitalWrite(9, HIGH);
    delay(a);
    digitalWrite(8, HIGH);
    digitalWrite(9, LOW);
    delay(c);
    digitalWrite(3, HIGH);
    delay(b);
    digitalWrite(4, HIGH);
    digitalWrite(3, LOW);
    digitalWrite(1, LOW);
    d = 0;
  }
}
void interrupt1(){
  if (digitalRead(2)==HIGH);{
    d = 1;
    
  }


}