using System;
using System.Linq;

namespace yukicoder
{
    class Program
    {
        static void Main(string[] args)
        {
            var num = Console.ReadLine().Split(' ').Select(s => Int64.Parse(s)).ToArray();
            Int64 step = (Int64)Math.Ceiling((double)num[1] / num[0]);
            Console.WriteLine(step);
        }
    }
}