#include <stdio.h>
#include <stdlib.h>
#include <string.h>

char kattis[100000][16];
char domjudge[100000][16];

int main()
{
	int n;
	scanf("%d", &n);
	for (int i = 0; i < n; ++i)
		scanf("%s", kattis[i]);
	for (int i = 0; i < n; ++i)
		scanf("%s", domjudge[i]);
	qsort(kattis, n, sizeof(kattis[0]), (int (*)(const void*,const void*))&strcmp);
	qsort(domjudge, n, sizeof(kattis[0]), (int (*)(const void*,const void*))&strcmp);
	int res = 0;
	int k, d;
	for (k = d = 0; k < n && d < n; )
	{
		int cmpres = strcmp(kattis[k], domjudge[d]);
		if (cmpres == 0)
			++res;
		if (cmpres <= 0)
			++k;
		if (cmpres >= 0)
			++d;
	}
	printf("%d\n", res);
	return 0;
}