1

#include<iostream>
using namespace std;
int main() {
int a;
int b;
int c;
int d;
int f;
int e;
int g;
cin >>a>>b;
d=a2;
c=a4;
e=c-b;
f=e/2;
g=a-f;
cout<<f<<endl;
cout<<g;
return 0;
}