#include <bits/stdc++.h>
using namespace std;
#define REP(i, n) for (int i = 0; i < (int)(n); i++)
#define RREP(i, n) for (int i = (int)(n); i >= 0; i--)
#define rep(i, a, n) for (int i = (a); i < (int)(n); i++)
#define rrep(i, a, n) for (int i = (a); i >= (int)(n); i--)
#define ALL(obj) (obj).begin(), (obj).end()
#define rALL(obj) (obj).rbegin(), (obj).rend()
using ll = long long;
using vi = vector<int>;
using vii = vector<vector<int>>;
using P = pair<int, int>;
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; }

int main() {
    ll N;
    cin >> N;
    vector<int> A(N);
    for (int i = 0; i < N; i++) cin >> A[i];
    
    bool ans = true;
    ll res = accumulate(ALL(A),0);
    if(res%N != 0) ans = false;
    cout << (ans ? "Yes" : "No") << endl;
    return 0;
}