int a=2;
int b=3;
int c=4;
int d=5;
int e=6;
int f=7;
int g=8;
void setup()
{
  for(int i=2;i<=8;i=i+1)
  {
  pinMode(i, OUTPUT);
  }
}

void loop()
{
  //0
  digitalWrite(a,0);
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,0);
  digitalWrite(e,0);
  digitalWrite(f,0);
  digitalWrite(g,1);
  delay(1000);
  
  //1
  digitalWrite(a,1);
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,1);
  digitalWrite(e,1);
  digitalWrite(f,1);
  digitalWrite(g,1);
  delay(1000);
  
  //2
  digitalWrite(a,0);
  digitalWrite(b,0);
  digitalWrite(c,1);
  digitalWrite(d,0);
  digitalWrite(e,0);
  digitalWrite(f,1);
  digitalWrite(g,0);
  delay(1000);
  
  //3
  digitalWrite(a,0);
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,0);
  digitalWrite(e,1);
  digitalWrite(f,1);
  digitalWrite(g,0);
  delay(1000);
  
  //4
  digitalWrite(a,1);
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,1);
  digitalWrite(e,1);
  digitalWrite(f,0);
  digitalWrite(g,0);
  delay(1000);
  
  //5
  digitalWrite(a,0);
  digitalWrite(b,1);
  digitalWrite(c,0);
  digitalWrite(d,0);
  digitalWrite(e,1);
  digitalWrite(f,0);
  digitalWrite(g,0);
  delay(1000);
  
  //6
  digitalWrite(a,0);
  digitalWrite(b,1);
  digitalWrite(c,0);
  digitalWrite(d,0);
  digitalWrite(e,0);
  digitalWrite(f,0);
  digitalWrite(g,0);
  delay(1000);
  
  //7
  digitalWrite(a,0);
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,1);
  digitalWrite(e,1);
  digitalWrite(f,0);
  digitalWrite(g,1);
  delay(1000);
  
  //8
  digitalWrite(a,0);
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,0);
  digitalWrite(e,0);
  digitalWrite(f,0);
  digitalWrite(g,0);
  delay(1000);
  
  //9
  digitalWrite(a,0);
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,0);
  digitalWrite(e,1);
  digitalWrite(f,0);
  digitalWrite(g,0);
  delay(1000);
  
  
}