`color(#FFFFFFff)(H)color(#E7E7E7ff)(o)color(#CFCFCFff)(r)color(#B7B7B7ff)(i)color(#9F9F9Fff)(z)color(#878787ff)(o)color(#6F6F6Fff)(n)`

#include <iostream>
using namespace std;

int main() {
    int n, sum = 0, k = 2, count = 1, dem = 0, i = 1;
    cin >> n;
    while (count <= n) {
        sum += i;
        if (i != 1) dem++;
        if (dem == k) {k++; dem = 0;}
        i += k;
        count++;
        if (count == n) cout << i << " ";
    }
    cout << sum;
}