public class Bayan_1563 {
int countDuplicates(string[] array) {
int numDups = 0, prevIndex = 0;
for (int i = 0; i < array.Length; i++) {
for (int j = 0; j < i; j++) {
if (array[i] == array[j]) {
array[prevIndex] = array[i];
string[] strArray = { "12", "ESPRIT", "Nice Connection", "Camelot", "Adilisik", "Lady and Gentleman City", "MEXX", "Camelot", "Sultanna Frantsuzova", "Camaieu", "MEXX", "Axara", "Camelot" };
int count = countDuplicates(strArray);
Console.WriteLine(count);
public static void Main() {
new Bayan_1563().Debug();