using static System.Console;

namespace yuki_485_csharp
{
    class Program
    {
        static void Main(string[] args)
        {
            var T = ReadLine().Split();
            var A = int.Parse(T[0]);
            var B = int.Parse(T[1]);
            WriteLine((B % A == 0) ? $"{B / A}" : "NO");
        }
    }
}