#include <stdio.h>

#define N 150001

int main()
{
	int pocet = 0;
	int pole[3][N];
	int index[2][N];
	register int i, j;
	scanf("%d", &pocet);
	while (pocet != 0)
	{
		for (j = 0; j < 3; ++j)
		{
			for (i = 0; i < pocet; ++i)
			{
				scanf("%d", &pole[j][i]);
			}
		}
		for (j = 0; j < 2; ++j)
		{
			for (i = 0; i < pocet; ++i)
			{
				index[j][pole[j][i]] = i;
			}
		}
		int stejne = 0;
		for (i = 0; i < pocet-1; ++i)
		{
			for (j = i+1; j < pocet; ++j)
			{
				if ((index[0][pole[0][i]]<index[0][pole[0][j]]) && (index[1][pole[0][i]]<index[1][pole[0][j]])) ++stejne;
			}
		}
		printf("%d\n", stejne);
		scanf("%d", &pocet);
	}
	return 0;
}