Middle Number(s) (II)

Time Limit: 1 sec

 

The Problem

Write a computer program that read two integer numbers S and E, and find the middle number or numbers between S and E.

 

Example

if S = 5 and E = 11 then

5 6 7 8 9 10 11

The middle number is 8

 

If S = 1 and E = 8 then

1 2 3 4 5 6 7 8

The middle numbers are 4 and 5.

 

The Input

Input file contain a series of line, each line contains two integer numbers S  and E (0<S,E<= 10000 and S <= E).

 

The Output

For each line of input, output will show one integer numbe or show two integer numbers which are seperated by space which is or are the middle number or numbers between S and E in a separate line.

 

Sample Input

5 11

1 8

11 20

 

Sample Output

8

4 5

15 16

 

 

 

 

Problem Setter: Shahin ShamS