#include <bits/stdc++.h> 
using namespace std;
using ll =long long;
#define all(v) v.begin(),v.end()
 #define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)

ll INF=2e18;


int main() {
    ios::sync_with_stdio(false);
  cin.tie(0);
ll N;cin>>N;
vector<ll> A(N);
ll s=0;
for(ll i=0;i<N;i++) {
  cin>>A[i];
  s+=A[i];
}

if(s%N==0) cout<<"Yes"<<endl;
else cout<<"No"<<endl;
}