#define a 2  
#define b 3
#define c 4
#define d 5
#define e 6
#define f 7
#define g 8
#define dp 9
#define DIG1 10  
#define DIG2 11
#define DIG3 12
#define DIG4 13
 
unsigned char num[10][8] =
{
  {0, 0, 0, 0, 0, 0, 1, 1},    
  {1, 0, 0, 1, 1, 1, 1, 1}, 
  {0, 0, 1, 0, 0, 1, 0, 1}, 
  {0, 0, 0, 0, 1, 1, 0, 1}, 
  {1, 0, 0, 1, 1, 0, 0, 1}, 
  {0, 1, 0, 0, 1, 0, 0, 1}, 
  {0, 1, 0, 0, 0, 0, 0, 1}, 
  {0, 0, 0, 1, 1, 1, 1, 1}, 
  {0, 0, 0, 0, 0, 0, 0, 1}, 
  {0, 0, 0, 0, 1, 0, 0, 1}, 
};
 
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);
 
	pinMode(DIG1,OUTPUT);
	pinMode(DIG2,OUTPUT);
	pinMode(DIG3,OUTPUT);
	pinMode(DIG4,OUTPUT);
}
 
void loop()
{
  for(int l = 0;l < 5;l++ )
  {
    for(int k = 0; k < 10;k++)
    {
      for(int j = 0; j < 6; j++)
      {
        for(int i = 0;i < 10;i++)
        {
          for(int q = 0;q<50;q++)
          {
            Display(1,l);
            delay(5);
            Display(2,k);
            delay(5);
            Display(3,j);
            delay(5);
            Display(4,i);
            delay(5);
          }
        }
      }
    }
  }
}
 
void Display(unsigned char com,unsigned char n)
{
	digitalWrite(a,HIGH);	
	digitalWrite(b,HIGH);
	digitalWrite(c,HIGH);
	digitalWrite(d,HIGH);
	digitalWrite(e,HIGH);
	digitalWrite(f,HIGH);
	digitalWrite(g,HIGH);
	digitalWrite(dp,HIGH);
 
	switch(com)	
	{
		case 1:
			digitalWrite(DIG1,HIGH);
			digitalWrite(DIG2,LOW);
			digitalWrite(DIG3,LOW);
			digitalWrite(DIG4,LOW);
			break;
		case 2:
			digitalWrite(DIG1,LOW);
			digitalWrite(DIG2,HIGH);
			digitalWrite(DIG3,LOW);
			digitalWrite(DIG4,LOW);
			break;
		case 3:
			digitalWrite(DIG1,LOW);
			digitalWrite(DIG2,LOW);
			digitalWrite(DIG3,HIGH);
			digitalWrite(DIG4,LOW);
			break;
		case 4:
			digitalWrite(DIG1,LOW);
			digitalWrite(DIG2,LOW);
			digitalWrite(DIG3,LOW);
			digitalWrite(DIG4,HIGH);	
			break;
		default:break;
	}

	digitalWrite(a,num[n][0]);
	digitalWrite(b,num[n][1]);
	digitalWrite(c,num[n][2]);
	digitalWrite(d,num[n][3]);
	digitalWrite(e,num[n][4]);
	digitalWrite(f,num[n][5]);
	digitalWrite(g,num[n][6]);
	digitalWrite(dp,num[n][7]);
}