#include <iostream>
#include <cstring>

using namespace std;

int n;
int res;

int main()
{
    cin>>n;

    while(n -- )
    {
        int x ;
        scanf("%d", &x);
        res = res ^ x;
    }

    if(res == 0) puts("No");

    else puts("Yes");

    return 0;
}