#include<bits/stdc++.h> using namespace std; int main(){ int n; while(scanf("%d",&n)!=EOF){ if(n==0) break; int num; int evnum=0; int unevnum=0; for(int i=0;i<n;i++){ scanf("%d",&num); if(num%2==0){ evnum++; }else{ unevnum++; } } if(evnum>unevnum){ printf("NO\n"); }else{ printf("YES\n"); } } return 0; }