#include
#include
using namespace std;
int main()
{
cout<<"n e"<
double e,fat=1;
for(i=0;i<=9;i++)
{
fat=1;
e=1;
for(j=1;j<=i;j++)
{
fat=fat*j;
e=e+1/fat;
}
if(i>2) cout.precision(10);
cout< if(i>2) cout<
//system("pause");
return 0;
}