Number Range Iterator

Implement the Iterable and Iterator interfaces to create a NumberRange class that iterates over a range of integers.

NumberRange takes a start and end value and lets you iterate over all integers from start to end (inclusive) using a for-each loop.

Read start and end from stdin, create a NumberRange, and print each number on a separate line.

Input

• Line 1: the start of the range (integer, -10^9 <= start <= 10^9)
• Line 2: the end of the range (integer, start <= end <= 10^9)
• The start is never greater than the end, and the range holds at most 2·10^4 + 1 numbers (end - start <= 2·10^4)

Output

Each number from start to end (inclusive), one per line.

Examples

Input:
1
5

Output:
1
2
3
4
5

Input:
3
3

Output:
3

Input:
-2
2

Output:
-2
-1
0
1
2