#include #define pb push_back #define mp make_pair #define x first #define y second using namespace std ; typedef pair Pair ; vector V ; int N, M ; int main() { cin >> N >> M ; for(int i = 1 ; i <= N ; ++ i) { int fi, bi ; cin >> fi >> bi ; V.pb(mp(fi, bi)) ; } sort(V.begin(), V.end(), cmp) ; int sum1 = 0, sum2 = 0 ; for(int i = 0; i < V.size() ; ++ i) { if(i <= N / 2) sum1 = sum1 + V[i].x ; else sum2 = sum2 + V[i].y ; } cout << sum1 << " " << sum2 << "\n" ; return 0 ; }