#include<iostream>
#include<vector>
#include<algorithm>
#include<cassert>
using namespace std;
int main()
{
	ios::sync_with_stdio(false);
	cin.tie(nullptr);
	int N;cin>>N;
	vector<int>pos,neg;
	for(int i=0;i<N;i++)
	{
		int a;cin>>a;
		if(a>0)pos.push_back(a);
		else if(a<0)neg.push_back(-a);
	}
	sort(pos.begin(),pos.end());
	reverse(pos.begin(),pos.end());
	sort(neg.begin(),neg.end());
	reverse(neg.begin(),neg.end());
	while(!pos.empty()&&!neg.empty())
	{
		int t=pos.back()-neg.back();
		pos.pop_back();
		neg.pop_back();
		if(t>0)pos.push_back(t);
		else if(t<0)neg.push_back(-t);
	}
	cout<<(pos.size()+neg.size()>1?"No":"Yes")<<endl;
}