#include <iostream>
#include <cstdio>
#include <algorithm>
#include <string>
#include <math.h>
#include <memory.h>
#include <vector>
using namespace std;
const int MAXN=15;
int len[MAXN],N;
int main(){
	//freopen(".in","r",stdin);
	//freopen(".out","w",stdout);
	int i,j;
	cin>>N;
	for(i=1;i<=N;i++)cin>>len[i];
	sort(len+1,len+1+N);
	for(j=0,i=1;i<N;i++)j+=len[i];
	cout<<(j>len[N]?"Yes":"No");
	return 0;
}
