text: from lib.types import IStdin, IStdout
  import random
  
  
  def main(stdin: IStdin, stdout: IStdout):
  
      stdout.write("I will send you 100 arrays of positive numbers, you should send back count of numbers in the array with even number of digits in them.\n")
  
      for i in range(100):
  
          count = 0
          a = [random.randint(2 ** 2, 2 ** 64) for _ in range(random.randint(10, 50))]
  
          for c in a:
              if not (len(str(c)) % 2):
                  count += 1
  
          stdout.write(f"Array {i + 1}: {' '.join(list(map(str, a)))}\n")
          stdout.write("Answer >> ")
          stdout.flush()
  
          answer = stdin.readline().strip()
  
          if answer != str(count):
              stdout.write("Wrooong!\n")
              return
  
      stdout.write("Good job! Flag: donnuCTF{c0un71ng_all_th3_numb3rs_in_th3_r00m}\n")
  