source_code: import java.util.*;
  public class q1
  {
  	public static void main(String[] args) 
  	{
  		Scanner s=new Scanner(System.in);
  		int n=s.nextInt();
  		int[] arr1=new int[9];
  		int[] arr2=new int[9];
  		String ss;
  		s.nextLine();
  		for(int i=0;i<n;i++)
  		{
  			ss=s.nextLine();
  			if(ss.equals("M"))
  				arr1[0]++;
  			else if(ss.equals("S"))
  				arr1[1]++;
  			else if(ss.equals("L"))
  				arr1[2]++;
  			else if(ss.equals("XS"))
  				arr1[3]++;
  			else if(ss.equals("XL"))
  				arr1[4]++;
  			else if(ss.equals("XXS"))
  				arr1[5]++;
  			else if(ss.equals("XXL"))
  				arr1[6]++;
  			else if(ss.equals("XXXS"))
  				arr1[7]++;
  			else if(ss.equals("XXXL"))
  				arr1[8]++;
  		}	
  		for(int i=0;i<n;i++)
  		{
  			ss=s.nextLine();
  			if(ss.equals("M"))
  				arr2[0]++;
  			else if(ss.equals("S"))
  				arr2[1]++;
  			else if(ss.equals("L"))
  				arr2[2]++;
  			else if(ss.equals("XS"))
  				arr2[3]++;
  			else if(ss.equals("XL"))
  				arr2[4]++;
  			else if(ss.equals("XXS"))
  				arr2[5]++;
  			else if(ss.equals("XXL"))
  				arr2[6]++;
  			else if(ss.equals("XXXS"))
  				arr2[7]++;
  			else if(ss.equals("XXXL"))
  				arr2[8]++;
  		}	
  		int min;
  		for(int i=0;i<9;i++)
  		{
  			if(arr1[i]<arr2[i])
  				min=arr1[i];
  			else
  				min=arr2[i];
  			arr1[i]-=min;
  			arr2[i]-=min;
  		}
  		int sum=0;
  		for(int i=0;i<9;i++)
  		{
  			sum+=arr1[i];
  		}
  		System.out.println(sum);
  		//System.out.println(Arrays.toString(arr2));
  	}
  }