int a= 13;
int b= 12;
int c= 11;
int d= 10;
int e= 9;
int f= 8;
int g= 7;
int dp= 6;
int wait = 1000;

int ledPins[7] = {13, 12, 11, 10, 9, 8, 7};

bool numMatrix[10][7] = {
  {1, 1, 1, 1, 1, 1, 0}, //0
  {0, 1, 1, 0, 0, 0, 0}, //1
  {1, 1, 0, 1, 1, 0, 1}, //2
  {1, 1, 1, 1, 0, 0, 1}, //3
  {0, 1, 1, 0, 0, 1, 1}, //4
  {1, 0, 1, 1, 0, 1, 1}, //5
  {1, 0, 1, 1, 1, 1, 1}, //6
  {1, 1, 1, 0, 0, 0, 0}, //7
  {1, 1, 1, 1, 1, 1, 1}, //8
  {1, 1, 1, 1, 0, 1, 1}, //9

};

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);


}

void loop() {

  for (int num=0; num<10; num++) {
    digitalWrite(6, HIGH);
    delay(500);
    digitalWrite(6, LOW);
    for (int i=0; i<7; i++) {
      digitalWrite(ledPins[i], numMatrix[num][i]);
    }
      delay(wait);
  }

}