import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        System.out.print("Введите n: ");
        int n = in.nextInt();
        System.out.print("Введите m: ");
        int m = in.nextInt();
        int x = 0, temp = 1;
        for (int i = 1; i <= n; i++) {
            x += i - 5;
            temp *= i;
        }
        x += temp;
        temp = 1;
        for (int j = 1; j <= m; j++)
            temp *= (j * j + 1);
        x += temp;
        System.out.println("X = " + x);
    }
}