#include<stdio.h>
int main ()
{
	int n,m;
	scanf("%d%d",&n,&m);
	if(n>m/2||m%2==1)
	{
		printf("No answer\n");
		return 0;
	}
	if((4*n-m)/2<=n&&(4*n-m)/2>=0)
		printf("%d %d\n",(4*n-m)/2,n-(4*n-m)/2);
	else
		printf("No answer\n");
}