import java.io.*;
import java.util.*;
class Main{
    static int N = 110;
    static int[] cache = new int[N];
    static BufferedReader read = new BufferedReader(new InputStreamReader(System.in));
    public static int sg(int x){
        if(cache[x] != -1)  return cache[x];
        Set<Integer> set = new HashSet();
        for(int i = 0; i < x; i++){
            for(int j = 0; j < x; j++){
                set.add(sg(i) ^ sg(j));
            }
        }
        for(int i = 0; ; i++){
            if(!set.contains(i)){
                cache[x] = i;
                return i;
            }
        }
    }

    public static void main(String[] args) throws Exception{
        int n = Integer.valueOf(read.readLine());
        String[] ss = read.readLine().split(" ");
        int res = 0;
        Arrays.fill(cache, -1);
        for(int i = 0; i < n; i++){
            res ^= sg(Integer.valueOf(ss[i]));
        }

        if(res == 0) System.out.println("No");
        else System.out.println("Yes");
    }
}