#include<cstdio>

 #include<cstring>

 #include<string>

 #include<cmath>

 #include<iostream>

 #include<algorithm>

 #include<map>

 #include<queue>

 #include<vector>

 #include<ctime>

 using namespace std;

 typedef long long ll;

 typedef unsigned int uint;

 typedef unsigned long long ull;

 typedef pair<int,int> PII;

 typedef vector<int> VI;

 #define fi first

 #define se second

 #define MP make_pair

 #define N  210000

 #define M  130

 #define MOD 1000000007

 #define eps 1e-8

 #define pi acos(-1)

 int main()

 {

     int n;

     scanf("%d",&n);

     int s=;

     int mx=;

     for(int i=;i<=n;i++)

     {

         int x;

         scanf("%d",&x);

         s+=x;

         mx=max(mx,x);

     }

     int ans=*s/n;

     if(ans*n<=*s) ans++;

     ans=max(ans,mx);

     printf("%d\n",ans);

     return ;

 }