#include<stdio.h>
int main()
{
int i = 1;
int n = 1;
int jie = 1;
int j = 1;
int sum = 0;
scanf("%d", &n);
for (i = 1; i <= n; i++)
{
jie = jie * i;
printf("%d的阶乘是:%d\n", i,jie);
sum = sum+jie;
}
printf("n的阶乘是%d\n ", jie);
printf("1!+2!+...+n!是%d\n", sum);
return 0;
}