#include<iostream>
#include<cstdio>
#include<cmath>
#include<iomanip>
using namespace std;
int main()
{
    long long a,b,c;
    cin >> a >> b;
    c = a * 4 - b;
    cout << c / 2 << " " << a - c / 2;
    return 0;
}

#include <iostream>
using namespace std;
int main()
{
    int head,foot,a,b,rabbit,Ikun;
    cin >>head>>foot;
    a=head*2;
    b=foot-a;
    rabbit=b/2;
    Ikun=head-rabbit;
    cout<<Ikun<<" "<<rabbit;
    return 0;
}