#include <iostream>
#include <vector>
#include <utility>
#include <algorithm>
using namespace std;

int main(){
	ios_base::sync_with_stdio(false);
	int n = 0, m = 0;
	cin >> n >> m;
	vector<pair<int, int> > v(n);
	for(auto& x : v){
		cin >> x.first >> x.second; }
	nth_element(begin(v), begin(v) + n/2, end(v), 
		[](const pair<int, int>& s, const pair<int, int>& d){
			return s.first-s.second > d.first-d.second; });
	cout << accumulate(begin(v), begin(v) + n/2, 0,
			[](const int x, const pair<int, int>& rhs){return x + rhs.first; })
		<< ' ' <<
		accumulate(begin(v) + n/2, end(v), 0,
			[](const int x, const pair<int, int>& rhs){return x + rhs.second; });
	return 0; }