#include<stdio.h>
int main(){
	int n,m;
	scanf("%d %d",&n,&m);
	if((m-2*n)/2.0>(m-2*n)/2){
		printf("No answer\n");
	}else{
		if((4*n-m)/2<0||(m-2*n)/2<0){
			printf("No answer\n");
		}else{
		printf("%d %d\n",(4*n-m)/2,(m-2*n)/2);
		}
	}
	return 0;
}