int a=2;
int b=3;
int c=4;
int d=5;
int e=6;
int f=7;
int g=8;
void setup () 
{ 
  pinMode (a, OUTPUT);
  pinMode (b, OUTPUT);
  pinMode (c, OUTPUT);
  pinMode (d, OUTPUT);
  pinMode (e, OUTPUT);
  pinMode (f, OUTPUT);
  pinMode (g, OUTPUT);
}
Serial, begin (9600);
pinMode (AO, INPUT);}