text: i = 0; j = 1; x = 0
  
  while i < 5:
      x = 4 * j
      for i in range(0, 5):
          if x % 4 != 0:
              break
          else:
              i += 1; j += 1
              x = x * 5 / 4 + 1
  
  print("桃子至少有{}个".format(int(x)))