#include <stdio.h>
int *subArray(int *mainA, int n1, int *sub, int n2)
{
    for (int i = 0; i <= (n1 - n2); i++)
    {
        int j = 1;
        if (*(mainA + i) == *sub)
        {
            for (; j < n2; j++)
                if (*(mainA + i + j) != *(sub + j))
                    break;
        }
        if (j == n2)
            return (mainA + i);
    }
    return NULL;
}
int main()
{
    int n1 , n2;
    int arr1[39] = {0}, arr2[38] = {0};
    scanf("%d", &n1);
    for (int i = 0; i < n1; i++)
        scanf("%d", &arr1[i]);
    scanf("%d", &n2);
    for (int i = 0; i < n2; i++)
        scanf("%d", &arr2[i]);

    printf("%d", subArray(arr1, n1, arr2, n2));
}