#include <LiquidCrystal>
bool test = true ;
int rgb = 0 ; 


LiquidCrystal lcd(13,12,10,11,10,16,4);
  lcd.setCursor(x, 0);
  lcd.print("X");

void setup() {
 pinMode(3, INPUT);
digitalWrite(3, HIGH);
 pinMode(2, INPUT);
digitalWrite(2, HIGH);

attachInterrupt(digitalPinToInterrupt(3),right ,FALLING);
attachInterrupt(digitalPinToInterrupt(2),left,FALLING);

}

void loop() {



}
  
}


void right(){
if (y = 0)
y++
  lcd.setCursor(y, 0);
  lcd.print("x");
lcd.clear();
}
void left(){
if (y = 0)
y--;
lcd.clear();
  lcd.setCursor(y, 0);
  lcd.print("x");
}