int a=13;
int b=12;
int c=11;
int d=10;
int e=9;
int f=8;
int g=7;



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() {
nulla();
egy();
ketto();
harom();
negy();
ot();
hat();
het();
nyolc();
kilenc();
}


void nulla() {
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,0);
  digitalWrite(e,0);
  digitalWrite(f,0);
  digitalWrite(g,1);
  delay(1000);
}


void egy() {
  digitalWrite(b,1);
  digitalWrite(c,0);
  digitalWrite(d,0);
  digitalWrite(e,1);
  digitalWrite(f,1);
  digitalWrite(g,1);
  delay(1000);
}

void ketto() {
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,1);
  digitalWrite(e,0);
  digitalWrite(f,0);
  digitalWrite(g,1);
  delay(1000);
}


void harom() {
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,0);
  digitalWrite(e,1);
  digitalWrite(f,1);
  digitalWrite(g,0);
  delay(1000);
}


void negy() {
  digitalWrite(b,0);
  digitalWrite(c,0);
  digitalWrite(d,1);
  digitalWrite(e,0);
  digitalWrite(f,0);
  digitalWrite(g,1);
  delay(1000);
}

void ot() {
  digitalWrite(a,1);
  digitalWrite(c,0);
  digitalWrite(d,1);
  digitalWrite(e,0);
  digitalWrite(f,0);
  digitalWrite(g,1);
  delay(1000);
}