Minimum and maximum digits
                                         
                                         
                            
                             
                                         
                                          Problem 
                         
                                 Given a positive integer N. Print its maximum digit in the first line, its minimum digit in the second line
Input: integer N > 0
Output: print two numbers, one per line
The first line contains the maximum digit of the number N
In the second line - the minimum digit of the number N
Examples
	
		
			| № | 
			Input | 
			Output | 
		
	
	
		
			| 1 | 
			21345 | 
			5 
			1 | 
		
	
Запрещенные операторы: list; [; find; index