#include <LiquidCrystal.h>

const int rs=12, en=11, d4=5, d5=4, d6=3, d7=2;
LiquidCrystal lcd(rs, en, d4, d5, d6, d7);
int count=0;
const  int numRows =2;
const  int numCols =16;
const int blue_sw=A0;
const int yellow_sw=A1;
void setup(){
  pinMode(blue_sw, INPUT_PULLUP);
  pinMode(yellow_sw, INPUT_PULLUP);
  lcd.begin(numCols,numRows);
  lcd.begin(16,2);
  lcd.print("Press blue or yellowW");
  delay(200);
}
void loop(){
  for (int positionCounter = 1; positionCounter < 13; positionCounter++){
    lcd.scrollDisplayLeft();
    delay(150);
    if(digitalRead(blue_sw)==0){
  lcd.write("z");
    }
      if(digitalRead(yellow_sw)==1){
      lcd.print(" ");
    }
  }
}