You have a positive integer m and a non-negative integer s. Your task is to find the smallest and the largest of the numbers that have length m and sum of digits s. The required numbers should be non-negative integers written in the decimal base without leading zeroes.
Output
In the output print the pair of the required non-negative integer numbers − first the minimum possible number, then − the maximum possible number. If no numbers satisfying conditions required exist, print the pair of numbers "
-1 -1" (without the quotes).