String menu [4] = {
"Play","Load","Option","Exit"
};
bool conditioner = true;
int j = -1;
#include <LiquidCrystal.h>
LiquidCrystal lcd(12, 11, 10, 9, 8 ,7);

void setup() {
  // put your setup code here, to run once:
  pinMode(A0, INPUT_PULLUP);
  pinMode(A1, INPUT_PULLUP);
  lcd.begin(16,2);
  
 

  Serial.begin(9600);
}

void loop() {
if(digitalRead(A0) == LOW && j<3 && conditioner ){
  conditioner = false;
  j++;
  lcd.clear();
  lcd.print(menu[j]);
  
  

  
}
else if(digitalRead(A0) == HIGH && conditioner == false && digitalRead(A1) == HIGH && conditioner == false  ){
  conditioner = true;
}
else if(digitalRead(A1) == LOW && j>0 && conditioner ){
  conditioner = false;
  j--;
  lcd.clear();
  lcd.print(menu[j]);
}
}