#include <iostream>
#include <vector>
 
using namespace std;
 
int main() {
    int n;
    cin>>n;
    vector<int> heights(n);
 
    for(int i=0; i<n; i++) {
        cin>>heights[i];
    }
 
    int sumAll=0;
    for(int i=0; i<n; i++) {
        sumAll+=heights[i];
    }
 
    if(sumAll%3==0) {
        int usedTimes=sumAll/3;
 
        int oddCount=0;
        for(int i=0; i<n; i++) {
            if(heights[i]%2==1) {
                oddCount++;
            }
        }
 
        if(oddCount>usedTimes) {
            cout<<"NO";
        }
        else {
            int remain=usedTimes-oddCount;
            if(remain%2==0) {
                cout<<"YES";
            }
            else {
                cout<<"NO";
            }
        }
    }        
    else {
        cout<<"NO";
    }
}