x = -1, counter_x = 0;
y = -1. counter_y = 0;
pentru i = 1,n

  daca counter_x==0 atunci x = a[i], counter_x = 1;
  altfel daca counter_y==0 atunci y = a[i]; counter_y = 1;
      altfel daca x==a[i] atunci counter_x++;
      altfel daca y==a[i] atunci counter_y++;

  daca counter_x == 0 atunci x = a[i], counter_x = 1;
  altfel daca counter_y == 0 atunci y = a[i]; counter_y = 1;
      altfel daca x == a[i] atunci counter_x++;
      altfel daca y == a[i] atunci counter_y++;

          altfel
           // am gasit un grup de trei alegatori cu optiuni diferite pe care il eliminam
           // x != a[i] si y != a[i]