public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int i = Integer.parseInt(reader.readLine()); while (i > 0) { int maximum = 0; for (int n = 1; n <= i; i--) { int number = Integer.parseInt(reader.readLine()); if (number > maximum) { maximum = number; } } System.out.println(maximum); } } }