import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int[] twin = new int[n * 2 + 1];
        for (int i = 0; i <= n; i++) {
            for (int j = 0; j <= n; j++) {
                twin[i + j]++;
            }
        }
        int[] quad = new int[n * 4 + 1];
        for (int i = 0; i <= 2 * n; i++) {
            for (int j = 0; j <= 2 * n; j++) {
                quad[i + j] += twin[i] * twin[j];
            }
        }
        long ans = 0;
        for (int i = 2 * n; i <= 4 * n; i++) {
            ans += (long)quad[i] * quad[6 * n - i];
        }
        System.out.println(ans);
    }
}