int PUSH = 9;
int A = 2;
int B = 3;
int C = 4;
int D = 5;
int E = 6;
int F = 7;
int G = 8;
int t = 500;


void setup() {
  for (int i = 2; i < 9; i++) {
    pinMode(i, OUTPUT);
  }
  pinMode(PUSH, INPUT);
}

int digit = 1;
void loop() {
//  if (digitalRead(PUSH) != HIGH) {
//    digit = digit + 1;
//
//    if (digit > 3) {
//      digit = 1;
//    }
//  } else {
//
//  }
//
//  rien();
//  port(digit);
}

void rien() {
  digitalWrite(A, LOW);
  digitalWrite(B, LOW);
  digitalWrite(C, LOW);
  digitalWrite(D, LOW);
  digitalWrite(E, LOW);
  digitalWrite(F, LOW);
  digitalWrite(G, LOW);
}

void port(int digit) {
  switch (digit) {
    case 1:
      digitalWrite(B, HIGH);
      digitalWrite(C, HIGH);
      break;

    case 2:
      digitalWrite(A, HIGH);
      digitalWrite(B, HIGH);
      digitalWrite(D, HIGH);
      digitalWrite(E, HIGH);
      digitalWrite(G, HIGH);
      break;

    case 3:
      digitalWrite(A, HIGH);
      digitalWrite(B, HIGH);
      digitalWrite(C, HIGH);
      digitalWrite(D, HIGH);
      digitalWrite(G, HIGH);
      break;
  }

  delay(t);
}

void Port1() {
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
  delay(t);
}

void Port2() {
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E, HIGH);
  digitalWrite(G, HIGH);
  delay(t);

}
void Port3() {
  digitalWrite(A, HIGH);
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(G, HIGH);
  delay(t);
}
void Port4() {
  digitalWrite(B, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
  delay(t);
}
void Port5() {
  digitalWrite(A, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
  delay(t);
}
void Port6() {
  digitalWrite(A, HIGH);
  digitalWrite(C, HIGH);
  digitalWrite(D, HIGH);
  digitalWrite(E, HIGH);
  digitalWrite(F, HIGH);
  digitalWrite(G, HIGH);
  delay(t);
}