#include<stdio.h> int number=1; int n; int sum = 0; int main() { scanf_s("%d", &n); int i = 1; for (i = 1; i <= n; i++) { number *= i; } printf("%d\n", number); while (n >= 1) { sum += number; number /= n; n--; } printf("%d\n", sum); return 0; }