/**
 *
 * Alone
 */
public class Alone {

  public static void main(String[] args) {
    int[] arr = { 1, 1, 1, 3, 4, 4, 5, 5, 5, 5 };
    System.out.println(lonelyNum(arr));
  }

  public static int lonelyNum(int[] nums) {
    int count = 0;
    nums[0] = 0;
    for (int x : nums) {
      for (int i = 0; i < nums.length; i++) {
        if (x != nums[i]) {
          count++;
        }
      }
    }
    return count;
  }
}