Print Range

Given a starting number X and an ending number Y, print all numbers between X and Y inclusive, each on a line.

Example 1

Input

5 13

Output

5
6
7
8
9
10
11
12
13

Example 2

Input

10 20

Output

10
11
12
13
14
15
16
17
18
19
20

Example 3

Input

999 1001

Output

999
1000
1001