import java.io.*;
import java.util.*;
import java.math.BigInteger;
public class Main {
static void solve() {
int n = in.nextInt();
int odd=0,even=0;
for(int i=0;i<n;i++) {
int x = in.nextInt();
if((x&1)==1) odd++;
else even++;
}
if(odd>=3||(odd>=1&&even>=2)) out.println("YES");
else out.println("NO");
}
public static void main(String[] args) {
solve();
out.flush();
}
static FastReader in = new FastReader();
static PrintWriter out = new PrintWriter(System.out);
static class FastReader {
static BufferedReader br;
static StringTokenizer st;
FastReader() {
br = new BufferedReader(new InputStreamReader(System.in));
}
String next() {
String str = "";
while(st==null||!st.hasMoreElements()) {
try {
str = br.readLine();
}catch(IOException e) {
throw new RuntimeException(e);
}
st = new StringTokenizer(str);
}
return st.nextToken();
}
int nextInt() {
return Integer.parseInt(next());
}
double nextDouble() {
return Double.parseDouble(next());
}
long nextLong() {
return Long.parseLong(next());
}
}
}