public class Divide1
{
	static PrintWriter write;
	static int n=-1;
	static int v[] = new int[100];
	static int varf = -1;
	public static void divide(int i, int j)
	{
		if(v[i] < v[j])
			divide(i+1,j+1);
		else
			varf = v[i];
	}
	public static void main(String args[]) throws FileNotFoundException
	{
		Scanner read = new Scanner(new java.io.File("date.in"));
		if(read.hasNextInt())
			n = read.nextInt();

		int poz = 0;
		while(read.hasNextInt())
		{
			v[poz] = read.nextInt();
			poz++;
		}

		int start = 0, end = n-1;
		PrintWriter write = new PrintWriter(new java.io.File("date.out"));

		if(start == end)
			varf = v[start];
		divide(start, start+1);

		write.println(varf);
		read.close();
		write.close();
	}
}