#define rep(i,n) for(int i=0;i<(int)(n);i++) #define ALL(v) v.begin(),v.end() typedef long long ll; #include<bits/stdc++.h> using namespace std; int main(){ ios::sync_with_stdio(false); std::cin.tie(nullptr); int n; cin>>n; vector<ll> E(n); rep(i,n) cin>>E[i]; ll sum=0; rep(i,n) sum+=E[i]; if(sum%3!=0){ cout<<"No"<<endl; return 0; } ll d=sum/3; ll k=1; rep(i,n) k*=3; rep(bit,k){ ll a=0,b=0,c=0,tmp=bit; rep(i,n){ if(tmp%3==0) a+=E[i]; else if(tmp%3==1) b+=E[i]; else c+=E[i]; tmp/=3; } if(a==d && b==d && c==d){ cout<<"Yes"<<endl; return 0; } } cout<<"No"<<endl; return 0; }