import java.math.BigInteger; import java.util.Arrays; import java.util.Scanner; public class Main { public static void main(String[] args) { new Main().run(); } void run() { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[] p = new int[n]; for (int i = 0; i < n; ++i) { p[i] = sc.nextInt(); } BigInteger fac = BigInteger.valueOf(1); BIT bit = new BIT(n + 1); for (int i = 1; i <= n; ++i) { bit.add(i, 1); } int[] coe = new int[n]; BigInteger ans = BigInteger.ZERO; for (int i = 0; i < n; ++i) { int v = bit.sum(1, p[i]); coe[i] = v; // fac = fac.divide(BigInteger.valueOf(n - i)); // ans = ans.add(fac.multiply(BigInteger.valueOf(v))); bit.add(p[i], -1); } for (int i = n - 1; i >= 0; --i) { ans = ans.add(fac.multiply(BigInteger.valueOf(coe[i]))); fac = fac.multiply(BigInteger.valueOf(n-i)); } ans = ans.add(BigInteger.ONE); System.out.println(ans); } class BIT { int n; int[] a; public BIT(int n_) { n = n_; a = new int[n + 1]; } void add(int k, int add) { ++k; while (k < a.length) { a[k] += add; k += k & -k; } } int sum(int k) { ++k; int ret = 0; while (k > 0) { ret += a[k]; k -= k & -k; } return ret; } int sum(int a, int b) { return sum(b - 1) - sum(a - 1); } } void tr(Object... objects) { System.out.println(Arrays.deepToString(objects)); } }