#include <iostream>

using namespace std;

struct box {int wm=0,bm=0,eff=0;};
void citire (int &n, int &m, box s[])
{
    cin>>n>>m;
    for (int i=0;i<n;i++)
    {
        cin>>s[i].wm>>s[i].bm;
        s[i].eff=s[i].bm-s[i].wm;
    }
}
void sortare (box s[],int n)
{
    int ordonat=0,i;
    box aux;
    while (ordonat==0)
    {
        ordonat=1;
        for (i=0;i<n-1;i++)
            if (s[i].eff<s[i+1].eff)
            {
                aux=s[i];
                s[i]=s[i+1];
                s[i+1]=aux;
                ordonat=0;
            }
    }
}
void afis (box s[], int n, int m)
{
    int black=0, white=0;
    for (int i=0;i<n/2;i++)
        {black+=s[i].bm;
        white+=s[n-i-1].wm;}
    cout<<black<<' '<<white;
}
int main()
{
    box s[100000];
    int n,m;
    citire(n,m,s);
    sortare(s,n);
    afis(s,n,m);
    return 0;
}