#include <iostream>
using namespace std;

int main(int argc, char *argv[])
{
    string killed = "deoxyribonuclein";
    string s1[1050], s2[1050], s1v2[1050], s2v2[1050];
    int n, badBoys = -1, dn;

    cin >> n;
    dn = n;

    for(int i = 1; i <= n; i++)
        cin >> s1[1050];
    for(int i = 1; i <= n; i++)
        cin >> s2[1050];

    int k = 1;
    bool f = true;
    while(f)
    {
        if(k % 2 == 0)
        {
        //VERSION 1
            int localBadBoys = 0;
            bool outrun = false;
            for(int i = 1; i <= n; i++)
            {
                for(int j = i + 1; j <= n; j++)
                    if(s1[i] == s2[j])
                    {
                        outrun = true;
                        localBadBoys++;
                        badBoys++;
                        s1[i] = killed;
                        s2[j] = killed;
                    }
            }
            if(!outrun)
                f = false;
            else
            {
                int r1 = 0, r2 = 0;
                for(int i = 1; i <= n; i++)
                    if(s1[i] != killed)
                    {
                        r1++;
                        s1v2[r1] = s1[i];
                    }

                for(int i = 1; i <= n; i++)
                    if(s2[i] != killed)
                    {
                        r2++;
                        s2v2[r2] = s2[i];
                    }

                n -= localBadBoys;
            }
        //VERSION 2
        } else
        {
            int localBadBoys = 0;
            bool outrun = false;
            for(int i = 1; i <= n; i++)
            {
                for(int j = i + 1; j <= n; j++)
                    if(s1v2[i] == s2v2[j])
                    {
                        outrun = true;
                        localBadBoys++;
                        badBoys++;
                        s1v2[i] = killed;
                        s2v2[j] = killed;
                    }
            }
            if(!outrun)
                f = false;
            else
            {
                int r1 = 0, r2 = 0;
                for(int i = 1; i <= n; i++)
                    if(s1v2[i] != killed)
                    {
                        r1++;
                        s1[r1] = s1v2[i];
                    }

                for(int i = 1; i <= n; i++)
                    if(s2v2[i] != killed)
                    {
                        r2++;
                        s2[r2] = s2v2[i];
                    }

                n -= localBadBoys;
            }
        }

        k++;
    }

    cout << badBoys << "\n";
    return 0;
}