int key1 = 2;
int key2 = 3;
int key3 = 4;
int key4 = 5;
int key5 = 6;
int ledPin1 = 7;
int ledPin2 = 8;
int led1 = 9;
int led2 = 10;
int led3 = 12;
int buzz = 11;
int p1 = 0;
int p2 = 0;
int p3 = 0;
int p4 = 0;
int p5 = 0;
int P1 = 0;
int P2 = 0;
int P3 = 0;
int P4 = 0;
int P5 = 0;
int P6 = 0;

void setup(){
  pinMode(2, INPUT);
  pinMode(3, INPUT);
  pinMode(4, INPUT);
  pinMode(5, INPUT);
  pinMode(6, INPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
}
void ledLow(){
  digitalWrite(ledPin1, LOW);
  digitalWrite(ledPin2, LOW);
  digitalWrite(led1, LOW);
  digitalWrite(led2, LOW);
  digitalWrite(led3, LOW);
}
void fail(){
  ledLow();
  digitalWrite(ledPin2, HIGH);
  tone(buzz, 93);
  delay(550);
  noTone(buzz);
  digitalWrite(ledPin2, LOW);
}
void loop(){
  p1 = digitalRead(key1);
  p2 = digitalRead(key2);
  p3 = digitalRead(key3);
  p4 = digitalRead(key4);
  p5 = digitalRead(key5);
  if (p3 == HIGH){
    P1 = 1;
    }
  if (P1 == 1){
    digitalWrite(led1, HIGH);
    if (p4 == HIGH){
      P2 = 1;
    }
    if (p1 == HIGH ){
      P2 = 0;
      P1 = 0;
      fail();
    }
    if (p2 == HIGH){
      P2 = 0;
      P1 = 0;
      fail();
    }
    if (p5 == HIGH){
      P2 = 0;
      P1 = 0;
      fail();
    }
  }
  if (P2 == 1){
    digitalWrite(ledPin1, HIGH);
    delay(150);
  }
  if (p5 == HIGH){
    fail();
  }
  else{
    ledLow();
    noTone(buzz);
  }

}