int num;
int b[8] = {2,3,4,5,6,7,8,9};
int an = 12;
int aa;
int anniu1 = 13;
int flag = 0;
//int jishu = 0;
int jishu1 =0;
int i=-1 ;
int j=10;
  int bb =0;
int numTable[10][8] = {
{0,0,0,1,0,0,0},
{0,1,1,1,1,1,0},
{0,0,1,0,0,0,1},
{0,0,1,0,1,0,0},
{0,1,0,0,1,1,0},
{1,0,0,0,1,0,0},
{1,0,0,0,0,0,0},
{0,0,1,1,1,1,0},
{0,0,0,0,0,0,0},
{0,0,0,0,1,0,0},
};
void setup()
{
    for (int i = 2;i<=9;i++)
    {
       pinMode(i, OUTPUT);
    }
    pinMode(an, INPUT);
    pinMode(anniu1, INPUT);
    randomSeed(analogRead(0));
    Serial.begin(9600);
}

void showNum(int index)
{
      digitalWrite(b[0],numTable[index][0]);
      digitalWrite(b[1],numTable[index][1]);
      digitalWrite(b[2],numTable[index][2]);
      digitalWrite(b[3],numTable[index][3]);
      digitalWrite(b[4],numTable[index][4]);
      digitalWrite(b[5],numTable[index][5]);
      digitalWrite(b[6],numTable[index][6]);
      digitalWrite(b[7],numTable[index][7]);
}

void loop()
{
        aa = digitalRead(12);
        bb = digitalRead(13);
        if(bb == 0 )
        {
          if(i>=9)
          {
            i = -1;
          }
          i= i+1;
          Serial.println(i);
          showNum(i);
          delay(200);
        }
        if(aa == 0)
        {
          if(i<1)
          {
            i = 10;
          }
          i = i-1;
          Serial.println(i);
          showNum(i);
          delay(200);
        }            
        if (i==10)
        {
          i = -1;
        }
        else if(aa ==1)
        {              
          delay(200);
        }
        else if(bb ==1)
        {                   
          delay(200);
        }

          
}