#include<iostream>
#include<cstdio>
#include<cmath>
#include<string>
#include<cstring>
#include<vector>
#include<map>
#include<set>
#include<stack>
#include<algorithm>

#define LL long long
#define inf 0x3f3f3f3f
#define eps 1e-6

using namespace std;
const int maxn = 1000000+10;
int a[maxn];
int main()
{
    int n,x;
    while(scanf("%d",&n)!=EOF)
    {
        int tot=0;
        for (int i=1;i<=n;i++)
        {
            scanf("%d",&x);
            tot+=x;
            int y=(1890*x+143)%10007;
            a[i]=y-x;
        }
        int tp=0,m=0;
        for (int i=1;i<=n;i++)
        {
            if (tp<0) tp=a[i];
            else tp+=a[i];
            m=max(tp,m);
        }
        printf("%d\n",tot+=m);
    }
    return 0;
}