unsigned const int A = 4;
unsigned const int B = 5;
unsigned const int C = 6;
unsigned const int D = 7;
unsigned const int E = 8;
unsigned const int F = 3;
unsigned const int G = 2;


void setup()
{
pinMode(A, OUTPUT) ;
pinMode(B, OUTPUT) ;
pinMode(C, OUTPUT) ;
pinMode(D, OUTPUT) ;
pinMode(E, OUTPUT) ;
pinMode(F, OUTPUT) ;
pinMode(G, OUTPUT) ;

}

void loop()
{
digitalWrite(A,HIGH);
digitalWrite(B,HIGH);
digitalWrite(C,HIGH);
digitalWrite(D,HIGH);
digitalWrite(F,HIGH);
digitalWrite(G,HIGH);
delay(1000);
digitalWrite(A,LOW);
digitalWrite(B,LOW);
digitalWrite(C,LOW);
digitalWrite(D,LOW);
digitalWrite(F,LOW);
digitalWrite(G,LOW);
delay(1000);
}