#include <fstream>
#include <iostream>
#include <vector>
using namespace std;

ifstream fin("twoton.in");
ofstream fout("twoton.out");

int a[1000024];

int main()
{
	int n;
	fin >> n;
	for (int i = 0; i < n; i++) {
		fin >> a[i];
	}
	int minim = a[n - 1];
	int cnt = 1;
	for (int i = n - 2; i >= 0; i--) {
		if (a[i] < minim) {
			cnt = 1 + cnt;
			minim = a[i];
		}
		else {
			cnt = 1 + 2 * cnt;
		}
		if (cnt >= 19997) {
			cnt -= 19997;
		}
	}
	fout << cnt << '\n';
	fin.close();
	fout.close();
	return 0;
}