// C++ code
//
void setup()
{
  for(int i=0;i<11;i++)
  {
    pinMode(i, OUTPUT);
  }
}

void loop()
{
  int i=0;
  
  char num[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
  for(i=0;i<999;i++)
  { 
    digitalWrite(10,HIGH);
	digitalWrite(9,LOW);
	digitalWrite(8,LOW);
    PORTD = num[i/100]; 
 	delay(20);
	digitalWrite(10,LOW);
	digitalWrite(9,HIGH);
	digitalWrite(8,LOW);
    PORTD = num[(i/10)-(i/100)*10];
 	delay(20);
	digitalWrite(10,LOW);
	digitalWrite(9,LOW);
	digitalWrite(8,HIGH);
 	PORTD = num[i%10];
    delay(20);
  }
}