#include <iostream>
#include <cmath>
using namespace std;
int main (){
int n,hun =0,twoHun=0,num;
cin >> n;
while (n--){
cin >> num;
if (num %200 ==0) twoHun += num;
else hun += num;
}
if(abs(hun -twoHun)%200==100){
cout << "NO";
return 0;
}
if((twoHun/200)%2!=0 && hun ==0){
cout << "NO";
return 0;
}
cout << "YES";
return 0;
}
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