#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
#include <math.h>

int main(void) {
	double a, b;

	scanf("%lf%lf", &a, &b);
	if (floor(b / a) != ceil(b / a))
		puts("NO");
	else
		printf("%d\n", (int)(b / a));

	return 0;
}