//aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaadaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
using System;
class Start{
  static void Main(){
    long a,b;Lin(out a,out b);
    Console.WriteLine((b+a-1)/a);
  }
  static void Lin<T>(out T a){
    if(typeof(T)==typeof(long))a=(T)(object)long.Parse(Console.ReadLine());
    else if(typeof(T)==typeof(string))a=(T)(object)Console.ReadLine();
    else if(typeof(T)==typeof(char))a=(T)(object)Console.ReadLine()[0];
    else a=(T)(object)double.Parse(Console.ReadLine());
  }
  static void Lin<T,U>(out T a,out U b){
    var c=Console.ReadLine().Split();
    if(typeof(T)==typeof(long))a=(T)(object)long.Parse(c[0]);
    else if(typeof(T)==typeof(string))a=(T)(object)c[0];
    else if(typeof(T)==typeof(char))a=(T)(object)c[0][0];
    else a=(T)(object)double.Parse(c[0]);
    if(typeof(U)==typeof(long))b=(U)(object)long.Parse(c[1]);
    else if(typeof(U)==typeof(string))b=(U)(object)c[1];
    else if(typeof(U)==typeof(char))b=(U)(object)c[1][0];
    else b=(U)(object)double.Parse(c[1]);
  }
  static void Swap<T>(ref T a,ref T b){T c=a;a=b;b=c;}
}