# Numbers with different digits

Execution time limit is 1 second

Runtime memory usage limit is 128 megabytes

Print all four digit numbers from a to b with different digits.

## Input

Two integers a and b (1000 ≤ a ≤ b ≤ 9999).

## Output

Print in one line all numbers from a to b with different digits.

## Examples

Input #1

Answer #1

Input #2

Answer #2

Submissions 14K

Acceptance rate 56%