#include <iostream>
using namespace std;

int main() {
	
	long long sum = 0;
    for (long long i=1; i <= 1000000000; i++)
    {
        sum += i;
    }

    cout << sum << endl;
    
    cout << ((1000000000LL)*(1000000000LL + 1)) / 2;
	return 0;
}