/* package whatever; // don't place package name! */ import java.util.*; import java.lang.*; import java.io.*; /* Name of the class has to be "Main" only if the class is public. */ class Main { public static void main (String[] args) throws java.lang.Exception { // your code goes here BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); String[] lines = br.readLine().split(" "); int A = Integer.parseInt(lines[0]); int B = Integer.parseInt(lines[1]); System.out.println(((double)B/A) == (B/A)?Integer.toString(B/A):"NO"); } }