#include <bits/stdc++.h>
using namespace std;
#define repd(i,a,b) for (int i=(a);i<(b);i++)
#define rep(i,n) repd(i,0,n)
#define all(x) (x).begin(),(x).end()
#define SIZE(x) ll(x.size())
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return true; } return false; }
template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return true; } return false; }
typedef long long ll;
const long long INF = 1LL << 60;
const long long MOD = 1000000007;
typedef pair<int, int> P;
int main()
{
    ll N;
    cin >> N;
    ll S = 0;
    vector<int> A(N);
    rep(i, N) {
        cin >> A[i];
        S += A[i];
    }

//    cout << S << endl;

    /*
    bool flag = true;
    rep(i, N - 1) {
        if (A[i] != A[i + 1]) flag = false;
    }
*/
    if (S % N == 0) cout << "Yes" << endl;
    else cout << "No" << endl;
    return 0;
}