#include<iostream>
#include<cstdio>
#include<algorithm>
using namespace std;
int main(){
	freopen("eko.in","r",stdin);
    freopen("eko.out","w",stdout);
	int a,b,c[100005],j=0,q,d[100002]={0},p=0,z=1;
	double v;
	//cin>>a>>b;
	for(int i=1;i<=a;i++){
		cin>>c[i];
	}
	for(int i=1;i<=a;i++){
		j=c[i]+j;
	}
	v=j/a;
	q=(int)(v);
	sort(c+1,c+a);
	for(;q<c[a];q++){
		for(int i=1;i<=a;i++){
		if(q>c[i])
			p=p;
		if(q<=c[i])
			p=p+q-c[i];
		}
		if(b==p){
			break;
		}
		
	}
	cout<<q;
	return 0;

	

}