import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int A = scan.nextInt();
		int B = scan.nextInt();
		scan.close();

		double k1 = (double) B / A;
		int k2 = B / A;
		if(k1 == k2) {
			System.out.println(k2);
		}else {
			System.out.println("NO");
		}
	}
}