#include <iostream>
using namespace std;


int main()
{int n,z,i,a[100000],b[100000],sum1,sum2,sec1,sec2,x,sw;
    cin>>n>>z;
for(i=1;i<=n;i++)
    cin>>a[i]>>b[i];
do
{sw=0;
 for(i=1;i<n;i++)
    if(a[i]-b[i]<a[i+1]-b[i+1])
     {swap(a[i],a[i+1]);
      swap(b[i],b[i+1]);
      sw=1;}
}while(sw==1);

/*for(i=1;i<=n;i++)
    cout<<a[i]<<' '<<b[i]<<endl;*/


sum1=sum2=0;
for(i=1;i<=n/2;i++)
    {sum1+=a[i];}
for(i=n/2+1;i<=n;i++)
    sum2+=b[i];

    cout<<sum1<<' '<<sum2;

}