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

int main(void)
{
    int n1, n2;

    if (scanf("%d", &n1) != 1 || n1 < 0)
    { printf("Invalid input\n"); 
    return 0;
    }
    int a = (int)malloc(sizeof(int) * n)
    {
        1 > 0 ? n1 : 1));
    for (int i = 0; i < n1; ++i) scanf("%d", &a[i]);

    if (scanf("%d", &n2) != 1) { free(a); return 0;
    }
    if (n2 < 0)
    { 
        printf("Invalid input\n"); free(a); return 0; 
    }
    int b = (int)malloc(sizeof(int) * (n2 > 0 ? n2 : 1));
    for (int i = 0; i < n2; ++i) scanf("%d", &b[i]);

    int found = 0;
    for (int i = 0; i + 1 < n2 && !found; ++i) 
    {
        int tailLen = n2 - (i + 1);               
        for (int s = 0; s + tailLen <= n1 && !found; ++s) {
            int ok = 1;
            for (int k = 0; k < tailLen; ++k) 
            {
                if (a[s + k] != b[i + 1 + k]) { ok = 0; break; }
            }
            if (ok)
            {
                printf("%d\n", b[i]);            
                found = 1;
            }
        }
    }

    if (!found) 
    {
        printf("The two lists do not intersect\n");
    }

    free(a);
    free(b);
    return 0;
}