#include <LiquidCrystal.h>

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

String m[] = {"January","February","March","April","May","June","July","August","September","October","November","December"};
int X = -1;

void setup() {
  lcd.begin(16, 2);
  lcd.print("Month:");
  pinMode(A0, INPUT);
}
void loop() {
  int V=map(analogRead(A5),0,1023,0,11);
  if (V!=X) {
    lcd.begin(16,2);
    lcd.print("Month:");
    lcd.print(m[V]);
    X= V;
    }
}