using System;
using System.IO;
class Start{static void Main(){Console.SetOut(new StreamWriter(Console.OpenStandardOutput()){AutoFlush=false});
var s=In();
long a=Lon(s[0]),b=Lon(s[1]);
Outl((b+a-1)/a);
Console.Out.Flush();}
  static string[] In(){return Console.ReadLine().Split(' ');}
  static long Lon(string a){return long.Parse(a);}
  static double Dou(string a){return double.Parse(a);}
  static void Out(long a){Console.Write(a);}
  static void Out(string a){Console.Write(a);}
  static void Out(char a){Console.Write(a);}
  static void Out(double a){Console.Write(a);}
  static void Outl(long a){Console.WriteLine(a);}
  static void Outl(string a){Console.WriteLine(a);}
  static void Outl(char a){Console.WriteLine(a);}
  static void Outl(double a){Console.WriteLine(a);}
  static void Swap(ref long a,ref long b){long c=a;a=b;b=c;}
  static void Swap(ref double a,ref double b){double c=a;a=b;b=c;}
  static void Swap(ref char a,ref char b){char c=a;a=b;b=c;}
  static void Swap(ref string a,ref string b){string c=a;a=b;b=c;}
}