int a= 13;
int b = 12;
int c = 11;
int d=10;
int e = 9;
int f=8;
int g=7;
void setup() {
  // put your setup code here, to run once:
pinMode(a, OUTPUT);
pinMode(b,OUTPUT);
pinMode(c,OUTPUT);
pinMode(d, OUTPUT);
pinMode (e, OUTPUT);
pinMode (f,OUTPUT);
pinMode(g, OUTPUT);
}

void loop() {
  // put your main code); here, to run repeatedly:
  //1
digitalWrite(a, LOW);
digitalWrite (b,HIGH);
digitalWrite(c,HIGH);
digitalWrite(d,LOW);
digitalWrite(e, LOW);
digitalWrite(f,LOW);
digitalWrite(g, LOW);
delay(1000);
//2
digitalWrite(a, HIGH);
digitalWrite(b, HIGH);
digitalWrite(c, LOW);
digitalWrite(g, HIGH);
digitalWrite(f, LOW);
digitalWrite(e, HIGH);
digitalWrite (d,HIGH);
delay(1000);
//3
digitalWrite (a,HIGH);
digitalWrite (b,HIGH);
digitalWrite (c,HIGH);
digitalWrite (d,HIGH);
digitalWrite (e,LOW);
digitalWrite (f,LOW);
digitalWrite (g,HIGH);
delay(1000);
//4
digitalWrite (a,LOW);
digitalWrite (b,HIGH);
digitalWrite (c,HIGH);
digitalWrite (d,LOW);
digitalWrite (e,LOW);
digitalWrite (f,HIGH);
digitalWrite (g,HIGH);
delay(1000);
//5
digitalWrite(a, HIGH);
digitalWrite(b, LOW);
digitalWrite(c, LOW);
digitalWrite(e, LOW);
digitalWrite(f, HIGH);
digitalWrite(g, HIGH);
digitalWrite(c, HIGH);
digitalWrite(d, HIGH);
delay(1000);
//6
digitalWrite (a,HIGH);
digitalWrite (b,LOW);
digitalWrite (c,HIGH);
digitalWrite (d,HIGH);
digitalWrite (e,HIGH);
digitalWrite (f,HIGH);
digitalWrite (g,HIGH);
delay(1000);
//7
digitalWrite (a,HIGH);
digitalWrite (b,HIGH);
digitalWrite (c,HIGH);
digitalWrite (d,LOW);
digitalWrite (e,LOW);
digitalWrite (f,LOW);
digitalWrite (g,LOW);
delay(1000);
//8
digitalWrite (a,HIGH);
digitalWrite (b,HIGH);
digitalWrite (c,HIGH);
digitalWrite (d,HIGH);
digitalWrite (e,HIGH);
digitalWrite (f,HIGH);
digitalWrite (g,HIGH);
delay(1000);
//9
digitalWrite (a,HIGH);
digitalWrite (b,HIGH);
digitalWrite (c,HIGH);
digitalWrite (d,HIGH);
digitalWrite (e,LOW);
digitalWrite (f,HIGH);
digitalWrite (g,HIGH);
delay(1000);
//0
digitalWrite (a,HIGH);
digitalWrite (b,HIGH);
digitalWrite (c,HIGH);
digitalWrite (d,HIGH);
digitalWrite (e,HIGH);
digitalWrite (f,HIGH);
digitalWrite (g,LOW);
delay(1000);



}