import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Exam {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        List<Double> bird = new ArrayList<>();

        int n = scanner.nextInt();
        int s = scanner.nextInt();

        for (int i = 0; i < n; i++) {
            int t = scanner.nextInt();

            bird.add((i + s/((double)1/t)));
        }

        int k = 0;

        for (int i = 1; i < n; i++) {
            for (int j = i - 1; j >= 0; j--) {
                if (bird.get(i) < bird.get(j)) {
                    k++;
                }
            }
        }

        System.out.println(k);
    }
}