void setup() {
  DDRD = 0xff;
}
 
void loop()
 {
  PORTD =0x3f;//display 0
  delay(2000);   
  PORTD=0x06;//display 1
  delay(2000);   
  PORTD=0x5b;
  delay(2000);//display2 
  PORTD=0x4f;
  delay(2000);  //display 3  
  PORTD=0x66;
  delay(2000);   //display 4
  PORTD=0x6d;
 delay(2000);   //display 5
  PORTD=0x7d;
  delay(2000);   //display 6
  PORTD=0x07;
 delay(2000);   //display 7
  PORTD=0x7f;
  delay(2000);   //display 8
  PORTD=0x6f;    //display 9
  delay(2000);       // Delay 1ms After Each Pulse
}