#include <iostream.h>
 main()
 {
 int n,s=0,p=1;
 cout << "n=";
 cin >> n;
 for (int i=1; i<=n; i++)
 {
 s+=i;
 p*=i;
 }
 cout << "s=" << s;
 cout << "p=" << p;
 return 0;
 }