int pinA=11,pinB=7,pinC=4,pinD=2,pinE=1,pinF=10,pinG=5,pinDP=3;
int dig1=12,dig2=9,dig3=8,dig4=6;

void setup() {
  // put your setup code here, to run once:
pinMode(pinA, OUTPUT); pinMode(pinB, OUTPUT); pinMode(pinC, OUTPUT);
pinMode(pinD, OUTPUT); pinMode(pinE, OUTPUT); pinMode(pinF, OUTPUT);
pinMode(pinG, OUTPUT); pinMode(pinDP, OUTPUT); pinMode(dig1, OUTPUT);
pinMode(dig2, OUTPUT); pinMode(dig3, OUTPUT); pinMode(dig4, OUTPUT);
}

void numCounter(int num){
  switch(num){
    case 0:
  digitalWrite(pinA, LOW); digitalWrite(pinB, LOW); digitalWrite(pinC, LOW);
  digitalWrite(pinD, LOW); digitalWrite(pinE, LOW); digitalWrite(pinF, LOW);
  digitalWrite(pinG, HIGH); digitalWrite(pinDP, HIGH);
  break;
  case 1:
  digitalWrite(pinA, HIGH); digitalWrite(pinB, LOW); digitalWrite(pinC, LOW);
  digitalWrite(pinD, HIGH); digitalWrite(pinE, HIGH); digitalWrite(pinF, HIGH);
  digitalWrite(pinG, HIGH); digitalWrite(pinDP, HIGH);
  break;
   case 2:
  digitalWrite(pinA, LOW); digitalWrite(pinB, LOW); digitalWrite(pinC, HIGH);
  digitalWrite(pinD, LOW); digitalWrite(pinE, LOW); digitalWrite(pinF, HIGH);
  digitalWrite(pinG, LOW); digitalWrite(pinDP, HIGH);
  break;
   case 3:
  digitalWrite(pinA, LOW); digitalWrite(pinB, LOW); digitalWrite(pinC, LOW);
  digitalWrite(pinD, LOW); digitalWrite(pinE, HIGH); digitalWrite(pinF, HIGH);
  digitalWrite(pinG, LOW); digitalWrite(pinDP, HIGH);
  break;
   case 4:
  digitalWrite(pinA, HIGH); digitalWrite(pinB, LOW); digitalWrite(pinC, LOW);
  digitalWrite(pinD, HIGH); digitalWrite(pinE, HIGH); digitalWrite(pinF, LOW);
  digitalWrite(pinG, LOW); digitalWrite(pinDP, HIGH);
  break;
   case 5:
  digitalWrite(pinA, LOW); digitalWrite(pinB, HIGH); digitalWrite(pinC, LOW);
  digitalWrite(pinD, LOW); digitalWrite(pinE, HIGH); digitalWrite(pinF, LOW);
  digitalWrite(pinG, LOW); digitalWrite(pinDP, HIGH);
  break;
   case 6:
  digitalWrite(pinA, LOW); digitalWrite(pinB, HIGH); digitalWrite(pinC, LOW);
  digitalWrite(pinD, LOW); digitalWrite(pinE, LOW); digitalWrite(pinF, LOW);
  digitalWrite(pinG, LOW); digitalWrite(pinDP, HIGH);
  break;
   case 7:
  digitalWrite(pinA, LOW); digitalWrite(pinB, LOW); digitalWrite(pinC, LOW);
  digitalWrite(pinD, HIGH); digitalWrite(pinE, HIGH); digitalWrite(pinF, HIGH);
  digitalWrite(pinG, HIGH); digitalWrite(pinDP, HIGH);
  break;
   case 8:
  digitalWrite(pinA, LOW); digitalWrite(pinB, LOW); digitalWrite(pinC, LOW);
  digitalWrite(pinD, LOW); digitalWrite(pinE, LOW); digitalWrite(pinF, LOW);
  digitalWrite(pinG, LOW); digitalWrite(pinDP, HIGH);
  break;
  case 9:
  digitalWrite(pinA, LOW); digitalWrite(pinB, LOW); digitalWrite(pinC, LOW);
  digitalWrite(pinD, LOW); digitalWrite(pinE, HIGH); digitalWrite(pinF, LOW);
  digitalWrite(pinG, LOW); digitalWrite(pinDP, HIGH);
  break;
  }
}

void loop() {
  digitalWrite(dig1, HIGH);
  digitalWrite(dig2, LOW);
  digitalWrite(dig3, LOW);
  digitalWrite(dig4, LOW);
  numCounter(1);
  delay(2000);
  digitalWrite(dig1, LOW);
  digitalWrite(dig2, HIGH);
  digitalWrite(dig3, LOW);
  digitalWrite(dig4, LOW);
  numCounter(2);
  delay(2000);
  digitalWrite(dig1, LOW);
  digitalWrite(dig2, LOW);
  digitalWrite(dig3, HIGH);
  digitalWrite(dig4, LOW);
  numCounter(3);
  delay(2000);
  digitalWrite(dig1, LOW);
  digitalWrite(dig2, LOW);
  digitalWrite(dig3, LOW);
  digitalWrite(dig4, HIGH);
  numCounter(4);
  delay(2000);

}