Enter the number N and then N numbers, one per line
It is necessary to outpur the maximum number among all the numbers entered.
Input: 
in the first line the number N is entered - the number of numbers (N <= 100)
then one by one in the line there are N numbers (all numbers are integers not exceeding 10,000 in absolute value)
Output: 
output the maximum number of all N numbers.
Examples
	
		
			| № | Input | Output | 
	
	
		
			| 1 | 5 0
 1
 2
 3
 4
 | 4 | 
	
 Запрещенные операторы:max;min;[;sort