int A = 1;
int B = 2;
int C = 3;
int D = 4;
int E = 5;
int F = 6;
int G = 7;
int DP = 0;
int ledm = 13;
int ledk = 12;
int ledh = 11;

void setup() {
pinMode(A, OUTPUT);
pinMode(B, OUTPUT);
pinMode(C, OUTPUT);
pinMode(D, OUTPUT);
pinMode(E, OUTPUT);
pinMode(F, OUTPUT);
pinMode(G, OUTPUT);
pinMode(DP, OUTPUT);
pinMode(ledm, OUTPUT);
pinMode(ledk, OUTPUT);
pinMode(ledh, OUTPUT);
}

void loop() {
  digitalWrite(ledm, HIGH);
  for (int i = 9; i >= 0; i--){
    displayDigit(i);
    delay(1000);
  }
  digitalWrite(ledm, LOW);
  digitalWrite(ledk, HIGH);

  for (int i = 3; i >= 1; i--){
    displayDigit(i);
    delay(1000);
  }
  digitalWrite(ledk, LOW);
  digitalWrite(ledh, HIGH);

  for (int i = 9; i >= 0; i--){
    displayDigit(i);
    delay(1000);
  }
  digitalWrite(ledh, LOW);
}

void displayDigit(int angka){
  switch (angka) { case 9:
      digitalWrite(A, LOW);  
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, HIGH);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      digitalWrite(DP, LOW);
  break; case 8:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      digitalWrite(DP, LOW);
  break; case 7:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(F, HIGH);
      digitalWrite(G, HIGH);
      digitalWrite(DP, LOW);
  break; case 6:
      digitalWrite(A, LOW);
      digitalWrite(B, HIGH);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      digitalWrite(DP, LOW);
  break; case 5:
      digitalWrite(A, LOW);
      digitalWrite(B, HIGH);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, HIGH);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      digitalWrite(DP, LOW);
  break; case 4:
      digitalWrite(A, HIGH);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(F, LOW);
      digitalWrite(G, LOW);
      digitalWrite(DP, LOW);
  break; case 3:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, LOW);
      digitalWrite(E, HIGH);
      digitalWrite(F, HIGH);
      digitalWrite(G, LOW);
      digitalWrite(DP, LOW);
  break; case 2:
      digitalWrite(A, LOW);
      digitalWrite(B, LOW);
      digitalWrite(C, HIGH);
      digitalWrite(D, LOW);
      digitalWrite(E, LOW);
      digitalWrite(F, HIGH);
      digitalWrite(G, LOW);
      digitalWrite(DP, LOW);
  break; case 1:
      digitalWrite(A, HIGH);
      digitalWrite(B, LOW);
      digitalWrite(C, LOW);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(F, HIGH);
      digitalWrite(G, HIGH);
      digitalWrite(DP, LOW);
  
  }
}