void setup()
{
  pinMode(2,OUTPUT);
  pinMode(4,OUTPUT);
  pinMode(5,OUTPUT);
  pinMode(13,OUTPUT);
  pinMode(14,OUTPUT);
  pinMode(15,OUTPUT);
  pinMode(16,OUTPUT);
  pinMode(17,OUTPUT);
}
void loop()
{
  //zero
  digitalWrite(2,LOW);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(13,LOW);
  digitalWrite(14,LOW);
  digitalWrite(15,LOW);
  digitalWrite(16,HIGH);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
  //one
  digitalWrite(2,HIGH);
  digitalWrite(4,HIGH);
  digitalWrite(5,HIGH);
  digitalWrite(13,HIGH);
  digitalWrite(14,LOW);
  digitalWrite(15,LOW);
  digitalWrite(16,HIGH);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
  //two
  digitalWrite(2,LOW);
  digitalWrite(4,LOW);
  digitalWrite(5,HIGH);
  digitalWrite(13,LOW);
  digitalWrite(14,LOW);
  digitalWrite(15,HIGH);
  digitalWrite(16,LOW);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
  //three
  digitalWrite(2,LOW);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(13,LOW);
  digitalWrite(14,HIGH);
  digitalWrite(15,HIGH);
  digitalWrite(16,LOW);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
  //four
  digitalWrite(2,HIGH);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(13,HIGH);
  digitalWrite(14,HIGH);
  digitalWrite(15,LOW);
  digitalWrite(16,LOW);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
  //five
  digitalWrite(2,LOW);
  digitalWrite(4,HIGH);
  digitalWrite(5,LOW);
  digitalWrite(13,LOW);
  digitalWrite(14,HIGH);
  digitalWrite(15,LOW);
  digitalWrite(16,LOW);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
  //six
  digitalWrite(2,LOW);
  digitalWrite(4,HIGH);
  digitalWrite(5,LOW);
  digitalWrite(13,LOW);
  digitalWrite(14,LOW);
  digitalWrite(15,LOW);
  digitalWrite(16,LOW);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
  //seven
  digitalWrite(2,LOW);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(13,HIGH);
  digitalWrite(14,HIGH);
  digitalWrite(15,HIGH);
  digitalWrite(16,HIGH);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
  //eight
  digitalWrite(2,LOW);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(13,LOW);
  digitalWrite(14,LOW);
  digitalWrite(15,LOW);
  digitalWrite(16,LOW);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
  //nine
  digitalWrite(2,LOW);
  digitalWrite(4,LOW);
  digitalWrite(5,LOW);
  digitalWrite(13,LOW);
  digitalWrite(14,HIGH);
  digitalWrite(15,LOW);
  digitalWrite(16,LOW);
  digitalWrite(17,LOW);
  delay(1000);//1sec delay
}