#include<iostream>
#include<algorithm>
#include<string>
#include<map>
#include<vector>
using namespace std;




int main()
{
	int a,b;
	scanf("%d %d",&a,&b);
	if(b<a*2||b>a*4)
		printf("No answer\n");
	else
	{
		int m=a*2;
		int n=b-m;
		if(n%2==1)
			printf("No answer\n");
		else
			printf("%d %d\n",a-n/2,n/2);
	}
}