text: '''
  #3-1
  a,b=eval(input("Enter an integer, the input ends if it is "))
  c=0
  d=0
  if (a>0):
      c=a
  if (a<0):
      d=-a
  print("c",c)
  print("d",d)
  '''
  
  '''
  s=0
  j=0
  o=0
  while(1):
      a=int(input("Enter an integer,the input ends if it is 0:"))
      if((a>0)|(a<0)):
          s=s+a
          if(a>0):
              j=j+1
          else:
              o=o+1
      if(a==0):
          print("正数：%d,负数：%d,平均值：%.2f"%(j,o,1.0*s/(j+o)))
          break
  '''
  '''
  count = 0
  while (count < 9):
     print ('The count is:', count)
     count = count + 1
   
  print ("Good bye!")
  '''
  
  
  '''
  # -*- coding: UTF-8 -*-
  
  a=0
  while (a<10):
      a=a+1
      if a%2==0:
          continue
      print("this is ",a)
  print("jie shu")
  '''
  '''
  #3-1
  b=0
  c=0
  while(1):
      a=int(input("Enter an integer,the input ends if it is 0:"))
      if a<0:
          b=-a
      if a>0:
          c=a
  
      if a==0:
           print("zheng shu {},fu shu {},pingjunshu {}".format(c,b,(c+b)/2))
           break
  '''
  
  
  