import java.util.*;  
public class Main{    
      public static void main(String args[]){ 
      Scanner sc = new Scanner (System.in);
	int h = sc.nextInt();
	int b = sc.nextInt();
	int r=0;
	while(h>0)
	{
	    h=h-b;
	    r++;
	}
	System.out.println("" +r);
      }
  }
   import java.util.*; util.* java public class Main{    
      public static void main(String args[]){ 
      Scanner sc = new Scanner (System.in);
	int h = sc.nextInt();
	int b = sc.nextInt();
	int r=0;
	while(h>0)
	{
	    h=h-b;
	    r++;
	}
	System.out.println("" +r);
      }
  } Main public static void main(String args[]){ 
      Scanner sc = new Scanner (System.in);
	int h = sc.nextInt();
	int b = sc.nextInt();
	int r=0;
	while(h>0)
	{
	    h=h-b;
	    r++;
	}
	System.out.println("" +r);
      } main { 
      Scanner sc = new Scanner (System.in);
	int h = sc.nextInt();
	int b = sc.nextInt();
	int r=0;
	while(h>0)
	{
	    h=h-b;
	    r++;
	}
	System.out.println("" +r);
      } Scanner sc = new Scanner (System.in); sc new Scanner (System.in) int h = sc.nextInt(); h sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int r=0; r 0 while(h>0)
	{
	    h=h-b;
	    r++;
	} h>0 h 0 {
	    h=h-b;
	    r++;
	} h=h-b h h-b h b r++ r System.out.println("" +r) System.out.println System.out System System.out "" +r "" r String args[] args public class Main{    
      public static void main(String args[]){ 
      Scanner sc = new Scanner (System.in);
	int h = sc.nextInt();
	int b = sc.nextInt();
	int r=0;
	while(h>0)
	{
	    h=h-b;
	    r++;
	}
	System.out.println("" +r);
      }
  } public class Main{    
      public static void main(String args[]){ 
      Scanner sc = new Scanner (System.in);
	int h = sc.nextInt();
	int b = sc.nextInt();
	int r=0;
	while(h>0)
	{
	    h=h-b;
	    r++;
	}
	System.out.println("" +r);
      }
  } Main
import java.util.*;  
public class Main{    
      public static void main(String args[]){ 
      Scanner sc = new Scanner (System.in);
	int h = sc.nextInt();
	int b = sc.nextInt();
	int r=0;
	while(h>0)
	{
	    h=h-b;
	    r++;
	}
	System.out.println("" +r);
      }
  }
  