#include<stdio.h>
#include<stdlib.h>
int main(){
    int n1,n2;
    scanf("%d",&n1);
    if(n1<0){
        printf("Invalid input");
        return 0;
    }
    int arr1[100],arr2[100];
    for(int i=0;i<n1;i++)
        scanf("%d",&arr1[i]);
        scanf("%d",n2);
        if(n2<0){
            printf("Invalid input");
            return 0;
        }
        for(int i=0;i<n2;i++)
            scanf("%d",arr2[i]);
            int idx1=n1-n2,idx2=0;
            while(idx1<n1&&idx2<n2){
                if(arr1[idx1]!=arr2[idx2])
                break;
                idx1++;
                idx2++;
            }
            if(idx2==n2&&n2>0){
                printf("%d",arr2[0]);
            }else{
                printf("The two lists do not intersect");
            }
            return 0;
        }