byte DP = 2;
byte a = 4;
byte b = 3;
byte c = 5 ;
byte d = 6 ;
byte e = 7 ;
byte f = 8 ;
byte g = 9 ;
long nummer;

void setup() {
  DDRB = B00000000;
 PORTB = B00000100;
}

void loop() {
  nummer = random(10);

  if (nummer = 0){
    pinMode(a, OUTPUT);
    digitalWrite(a, HIGH);
    digitalWrite(a, LOW);
    pinMode(b, OUTPUT);
    digitalWrite(b, HIGH);
    digitalWrite(b, LOW);
    pinMode(c, OUTPUT);
    digitalWrite(c, HIGH);
    digitalWrite(c, LOW);
    pinMode(d, OUTPUT);
    digitalWrite(d, HIGH);
    digitalWrite(d, LOW);
    pinMode(e, OUTPUT);
    digitalWrite(e, HIGH);
    digitalWrite(e, LOW);
    pinMode(f, OUTPUT);
    digitalWrite(f, HIGH);
    digitalWrite(f, LOW);
  }
  if (nummer = 1){
    pinMode(b, OUTPUT);
    digitalWrite(b, HIGH);
    digitalWrite(b, LOW);
    pinMode(c, OUTPUT);
    digitalWrite(c, HIGH);
    digitalWrite(c, LOW);
  }
  if (nummer = 2){
    pinMode(a, OUTPUT);
    digitalWrite(a, HIGH);
    digitalWrite(a, LOW);
    pinMode(b, OUTPUT);
    digitalWrite(b, HIGH);
    digitalWrite(b, LOW);
    pinMode(g, OUTPUT);
    digitalWrite(g, HIGH);
    digitalWrite(g, LOW);
    pinMode(e, OUTPUT);
    digitalWrite(e, HIGH);
    digitalWrite(e, LOW);
    pinMode(d, OUTPUT);
    digitalWrite(d, HIGH);
    digitalWrite(d, LOW);
  }
  if (nummer = 3){
    pinMode(a, OUTPUT);
    digitalWrite(a, HIGH);
    digitalWrite(a, LOW);
    pinMode(b, OUTPUT);
    digitalWrite(b, HIGH);
    digitalWrite(b, LOW);
    pinMode(g, OUTPUT);
    digitalWrite(g, HIGH);
    digitalWrite(g, LOW);
    pinMode(c, OUTPUT);
    digitalWrite(c, HIGH);
    digitalWrite(c, LOW);
    pinMode(d, OUTPUT);
    digitalWrite(d, HIGH);
    digitalWrite(d, LOW);
  }
  if (nummer = 4){
    pinMode(f, OUTPUT);
    digitalWrite(f, HIGH);
    digitalWrite(f, LOW);
    pinMode(b, OUTPUT);
    digitalWrite(b, HIGH);
    digitalWrite(b, LOW);
    pinMode(g, OUTPUT);
    digitalWrite(g, HIGH);
    digitalWrite(g, LOW);
    pinMode(c, OUTPUT);
    digitalWrite(c, HIGH);
    digitalWrite(c, LOW);
  }
  if (nummer = 5){
    pinMode(a, OUTPUT);
    digitalWrite(a, HIGH);
    digitalWrite(a, LOW);
    pinMode(f, OUTPUT);
    digitalWrite(f, HIGH);
    digitalWrite(f, LOW);
    pinMode(g, OUTPUT);
    digitalWrite(g, HIGH);
    digitalWrite(g, LOW);
    pinMode(c, OUTPUT);
    digitalWrite(c, HIGH);
    digitalWrite(c, LOW);
    pinMode(d, OUTPUT);
    digitalWrite(d, HIGH);
    digitalWrite(d, LOW);

  }
  if (nummer = 6){
    pinMode(a, OUTPUT);
    digitalWrite(a, HIGH);
    digitalWrite(a, LOW);
    pinMode(f, OUTPUT);
    digitalWrite(f, HIGH);
    digitalWrite(f, LOW);
    pinMode(g, OUTPUT);
    digitalWrite(g, HIGH);
    digitalWrite(g, LOW);
    pinMode(c, OUTPUT);
    digitalWrite(c, HIGH);
    digitalWrite(c, LOW);
    pinMode(e, OUTPUT);
    digitalWrite(e, HIGH);
    digitalWrite(e, LOW);
    pinMode(d, OUTPUT);
    digitalWrite(d, HIGH);
    digitalWrite(d, LOW);
  }
  if (nummer = 7){
    pinMode(a, OUTPUT);
    digitalWrite(a, HIGH);
    digitalWrite(a, LOW);
    pinMode(b, OUTPUT);
    digitalWrite(b, HIGH);
    digitalWrite(b, LOW);
    pinMode(c, OUTPUT);
    digitalWrite(c, HIGH);
    digitalWrite(c, LOW);
  }
  if (nummer = 8){
    pinMode(a, OUTPUT);
    digitalWrite(a, HIGH);
    digitalWrite(a, LOW);
    pinMode(b, OUTPUT);
    digitalWrite(b, HIGH);
    digitalWrite(b, LOW);
    pinMode(c, OUTPUT);
    digitalWrite(c, HIGH);
    digitalWrite(c, LOW);
    pinMode(d, OUTPUT);
    digitalWrite(d, HIGH);
    digitalWrite(d, LOW);
    pinMode(e, OUTPUT);
    digitalWrite(e, HIGH);
    digitalWrite(e, LOW);
    pinMode(f, OUTPUT);
    digitalWrite(f, HIGH);
    digitalWrite(f, LOW);
    pinMode(g, OUTPUT);
    digitalWrite(g, HIGH);
    digitalWrite(g, LOW);
  }
  if (nummer = 9){
    pinMode(a, OUTPUT);
    digitalWrite(a, HIGH);
    digitalWrite(a, LOW);
    pinMode(b, OUTPUT);
    digitalWrite(b, HIGH);
    digitalWrite(b, LOW);
    pinMode(c, OUTPUT);
    digitalWrite(c, HIGH);
    digitalWrite(c, LOW);
    pinMode(d, OUTPUT);
    digitalWrite(d, HIGH);
    digitalWrite(d, LOW);
    pinMode(f, OUTPUT);
    digitalWrite(f, HIGH);
    digitalWrite(f, LOW);
    pinMode(g, OUTPUT);
    digitalWrite(g, HIGH);
    digitalWrite(g, LOW);
  }
}