/* package whatever; // don't place package name! */
 
import java.util.*;
import java.lang.*;
import java.io.*;
import java.util.*;
 
/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	private static int max(int[] arr, int i) {
		// You should throw an exception if i is out of bounds...
 
		if (0 == i) {
			return arr[0];
		}
		else {
			return Math.max(arr[i], max(arr, i - 1));
		}
	}
 
	public static void main (String[] args) throws java.lang.Exception
	{
		int [] data = new int[10];
		Random rand = new Random();
		for (int i = 0; i < data.length; i++) {
			data[i] = rand.nextInt(1000);
			System.out.print(data[i] + " ");
		}
		System.out.println();
		System.out.println(max(data, data.length-1));
	}
}

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