#include <iostream>
#include <stdio.h>
#include <math.h>
#include <stdlib.h>
#include <algorithm>
#include <string.h>
using namespace std;
const int N = 2005;
int v[N];
int n;
int main()
{
    while(scanf("%d",&n)!=EOF){
        for(int i=0;i<=2*n-2;i++){
            scanf("%d",&v[i]);
        }
        int q;
        int temp=0;
        long long ans = 0;
        scanf("%d",&q);
        while(q--){
            int r,c;
            scanf("%d%d",&r,&c);
            r = (r+temp)%n,c = (c+temp)%n;
            temp = 0;
            for(int i=0;i<n;i++){
                temp+= v[n-1+i-r]*v[n-1+c-i];
            }
            ans += temp;
        }
        printf("%lld\n",ans);
    }
    return 0;
}