source_code: import java.util.*;
  import java.io.*;
  import java.math.*;
  import java.awt.geom.*;
  
  public class FunctionHeight {
      public static void main(String[] args) {
          MyScanner sc = new MyScanner();
          long n = sc.nl();
          long k = sc.nl();
          long ans = (n+k-1)/n;
          System.out.println(ans);
      }
  
      /////////// TEMPLATE FROM HERE /////////////////
      private static class MyScanner {
          BufferedReader br;
          StringTokenizer st;
  
          public MyScanner() {
              br = new BufferedReader(new InputStreamReader(System.in));
          }
  
          String next() {
              while (st == null || !st.hasMoreElements()) {
                  try {
                      st = new StringTokenizer(br.readLine());
                  } catch (IOException e) {
                      e.printStackTrace();
                  }
              }
              return st.nextToken();
          }
  
          int ni() {
              return Integer.parseInt(next());
          }
  
          float nf() {
              return Float.parseFloat(next());
          }
  
          long nl() {
              return Long.parseLong(next());
          }
  
          double nd() {
              return Double.parseDouble(next());
          }
  
          String nextLine() {
              String str = "";
              try {
                  str = br.readLine();
              } catch (IOException e) {
                  e.printStackTrace();
              }
              return str;
          }
      }
  }