#include<bits/stdc++.h>
using namespace std;

#define int long long
signed main(){
    int n;cin>>n;
    vector<int> a(n);
    for(auto&&e:a)cin>>e;
    multiset<int> minus,plus;
    for(auto&&e:a){
        if(e<0)minus.insert(e);
        else if(e>0)plus.insert(e);
    }
    
    while(minus.size()&&plus.size()){
        int x=*--minus.end();
        if(plus.empty()){
            cout<<"No"<<endl;
            return 0;
        }
        int y=*plus.begin();
        if(x+y<0){
            minus.insert(x+y);
            minus.erase(minus.find(x));
            plus.erase(plus.find(y));
        }else if(x+y>0){
            plus.insert(x+y);
            minus.erase(minus.find(x));
            plus.erase(plus.find(y));
        }else{
            minus.erase(minus.find(x));
            plus.erase(plus.find(y));
        }
    }
    if(minus.size()+plus.size()<=1){
        cout<<"Yes"<<endl;
    }else{
        cout<<"No"<<endl;
    }
}