#include <LiquidCrystal.h>

int gomb1=2;
int gomb2=3;
int gomb3=4;
int gomb4=5;

int gpoz1=0;
int gpoz2=0;
int gpoz3=0;
int gpoz4=0;

int jelszo=0;

LiquidCrystal lcd(12, 11, 10, 9, 8, 7);


void setup() {
  lcd.begin(16, 2);
 pinMode(gomb1, INPUT);
 pinMode(gomb2, INPUT);
 pinMode(gomb3, INPUT);
 pinMode(gomb4, INPUT);

}

void loop() {
gomb1=digitalRead(2);
gomb2=digitalRead(3);
gomb3=digitalRead(4);
gomb4=digitalRead(5);
if(gomb1==HIGH){
  jelszo++;
}

if(gomb2==HIGH){
  jelszo++;
}
if(gomb3==HIGH){
  jelszo++;
}
if(gomb4==HIGH){
  jelszo++;
}

if(gomb1==HIGH and gpoz2==0 and gpoz3==0 and gpoz4==0){
  gpoz1=1;
  lcd.clear();
  delay(100);
}
if(gomb2==HIGH and gpoz1==1 and gpoz3==0 and gpoz4==0){
  gpoz2=1;
  lcd.clear();
  delay(100);
}
if(gomb3==HIGH and gpoz1==1 and gpoz2==1 and gpoz4==0){
  gpoz3=1;
  lcd.clear();
  delay(100);
}
if(gomb4==HIGH and gpoz1==1 and gpoz2==1 and gpoz3==1){
  gpoz4=1;
  lcd.clear();
  lcd.print("jo jelszo");
  delay(100);
}
if(jelszo==4 and gpoz4==1){
  gpoz1=0;gpoz2=0;gpoz3=0;gpoz4=0;jelszo=0;
}
if(jelszo==4){
  if(gpoz1==1 and gpoz2==1 and gpoz3==1 and gpoz4==0){
    lcd.clear();
  lcd.print("nem jo");
  delay(100);
  }
  if(gpoz1==1 and gpoz2==1 and gpoz3==0 and gpoz4==0){
    lcd.clear();
  lcd.print("nem jo");
  delay(100);
  }
  if(gpoz1==1 and gpoz2==0 and gpoz3==0 and gpoz4==0){
    lcd.clear();
  lcd.print("nem jo");
  delay(100);
  }
  if(gpoz1==0 and gpoz2==0 and gpoz3==0 and gpoz4==0){
    lcd.clear();
  lcd.print("nem jo");
  delay(100);
  }
   gpoz1=0;gpoz2=0;gpoz3=0;gpoz4=0;jelszo=0;
}
  
}