#include <bits/stdc++.h>
using namespace std;
int main()
{
int a=0,b=0,head=0,foot=0;
    cin>>head>>foot;
    b=(foot-head*2)/2;
    //a=(head*4-foot)/2;
    a=head-b;
    cout<<a<<" "<<b<<endl;
    return 0;
}