#include <iostream>
using namespace std;
int main() {
int n, sum = 0, i;
cin >> n;
for (i = 2; i <= n; i++) {
int nrdiv = 0, j;
for (j = 1; j <= i; j++) {
if (i % j == 0)
nrdiv = nrdiv + 1;
}
if (nrdiv <= 2) {
cout << i << " ";
sum = sum + i;
}
}
cout << "\nSuma este: " << sum;
return 0;
}
