#include <iostream>
#include <cstdio>
using namespace std;

int main(void)
{
	int q1, b, c1, c2, q2;
	
	while(1){
		scanf("%d", &q1);
		if (q1 == 0) break;
		scanf("%d %d %d %d", &b, &c1, &c2, &q2);
		
		if (c1 <= c2){
			int x = min(b/c1, q2);
			int y = ((b - x) * c1) / c2;
			if ((x + y) < q1){
				printf("NA\n");
			}
			else {
				printf("%d %d\n", x, y);
			}
		}
		else {
			int x = min(min(((b - c2) * q1) / (c1 - c2), q2), (b / c1));
			int y = ((b - x) * c1) / c2;
			if(x <= 0){
				printf("NA\n");
			}
			else {
				printf("%d %d\n", x, y);
			}
		}
	}
	return 0;
}