BlueBook - Max

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Points: 3
Time limit: 1.0s
Memory limit: 64M

Problem type
BlueBook

Given T real numbers, find and output the largest one to four decimal places.

Input Specification

The first line contains a single integer T (1 \le T \le 1\,000\,000). Each of the following T lines contains one real number x_i (-10^6 \le x_i \le 10^6).

Output Specification

A single line: the largest of the T real numbers.

Sample Input

3
1.5
3
2.2

Sample Output

3.0000

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