using System;
using System.Collections.Generic;
using System.Linq;


class HashMap<K, V> : Dictionary<K, V>
{
    new public V this[K i]
    {
        get
        {
            V v;
            return TryGetValue(i, out v) ? v : base[i] = default(V);
        }
        set { base[i] = value; }
    }
}

public class Program
{
    public void Solve()
    {
        var sc = new Scanner();
        int N = sc.NextInt();
        int[] A = sc.IntArray();
        var map = new HashMap<int, int>();
        foreach (int i in A)
        {
            map[i]++;
        }

        if (map.Count == 1)
        {
            if (A[0] == 0)
            {
                Console.WriteLine("Yes");
                return;
            }
        }

        if (map.Count == 2)
        {
            var a = map.Keys.ToArray()[0];
            var b = map.Keys.ToArray()[1];
            if (a >= b)
            {
                var t = a;
                a = b;
                b = t;
            }

            if (a == 0 && map[a] * 2 == map[b])
            {
                Console.WriteLine("Yes");
                return;
            }
        }

        if (map.Count == 3)
        {
            var a = map.Keys.ToArray()[0];
            var b = map.Keys.ToArray()[1];
            var c = map.Keys.ToArray()[2];
            if ((a ^ b) == c && map[a] == map[b] && map[b] == map[c])
            {
                Console.WriteLine("Yes");
                return;
            }
        }
        
        Console.WriteLine("No");
    }

    public static void Main(string[] args)
    {
        new Program().Solve();
    }
}

class Scanner
{
    public Scanner()
    {
        _pos = 0;
        _line = new string[0];
    }

    const char Separator = ' ';
    private int _pos;
    private string[] _line;

    #region スペース区切りで取得

    public string Next()
    {
        if (_pos >= _line.Length)
        {
            _line = Console.ReadLine().Split(Separator);
            _pos = 0;
        }

        return _line[_pos++];
    }

    public int NextInt()
    {
        return int.Parse(Next());
    }

    public long NextLong()
    {
        return long.Parse(Next());
    }

    public double NextDouble()
    {
        return double.Parse(Next());
    }

    #endregion

    #region 型変換

    private int[] ToIntArray(string[] array)
    {
        var result = new int[array.Length];
        for (int i = 0; i < array.Length; i++)
        {
            result[i] = int.Parse(array[i]);
        }

        return result;
    }

    private long[] ToLongArray(string[] array)
    {
        var result = new long[array.Length];
        for (int i = 0; i < array.Length; i++)
        {
            result[i] = long.Parse(array[i]);
        }

        return result;
    }

    private double[] ToDoubleArray(string[] array)
    {
        var result = new double[array.Length];
        for (int i = 0; i < array.Length; i++)
        {
            result[i] = double.Parse(array[i]);
        }

        return result;
    }

    #endregion

    #region 配列取得

    public string[] Array()
    {
        if (_pos >= _line.Length)
            _line = Console.ReadLine().Split(Separator);

        _pos = _line.Length;
        return _line;
    }

    public int[] IntArray()
    {
        return ToIntArray(Array());
    }

    public long[] LongArray()
    {
        return ToLongArray(Array());
    }

    public double[] DoubleArray()
    {
        return ToDoubleArray(Array());
    }

    #endregion
}

Measured memory_bytes: 22112