Given n different digits between 1 and 9, find all the multiples of 7 that can be formed with the n digits.
Input
Input consists of a number 1 ≤ n ≤ 9, followed by n different digits between 1 and 9.
Output
Print all the multiples of 7 that can be formed with the n digits. If there is none, print a hyphen.
You can print the solutions to this exercise in any order.
Input
4 3 5 2 8
Output
3528 2583 2835 8253
Input
3 2 5 7
Output
