#include <iostream>
using namespace std;

int stoneNumber;

void declaration(){
    scanf("%d", &stoneNumber);
}

int judgeWinner(){
    int judger = 0;
    for (int round = 0; round < stoneNumber; round ++){
        int stonePile;
        scanf("%d", &stonePile);
        judger ^= stonePile;
    }
    return judger;
}

void outputResult(int judger){
    if (judger == 0) printf("No");
    else printf("Yes");
}

int main(){
    declaration();
    int assertion = judgeWinner();
    outputResult(assertion);
    return 0;
}