#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--)

long long GCD(long long a, long long b) {
    if (b == 0) return a;
    else return GCD(b, a % b);
}
int main() {
  ll N;cin>>N;
  vector<ll> A(N);
  for(ll i=0;i<N;i++) cin>>A[i];
  vector<ll> B(0);
  ll count=0;

  for(ll i=0;i<N;i++) {
    if(A[i]>0) B.push_back(A[i]);
  else count++;
  }
  sort(all(B));
if(B.size()<=2) {
  cout<<"Yes"<<endl;
  return 0;
}

ll d=B[1]-B[0];
if(d==0) {
  for(ll i=1;i<B.size()-1;i++) {
    if(B[i+1]-B[i]!=0) {
      cout<<"No"<<endl;
      return 0;
    }
  }

  cout<<"Yes"<<endl;
  return 0;
}


for(ll i=1;i<B.size()-1;i++) {
  if(B[i+1]-B[i]==0) {
    cout<<"No"<<endl;
    return 0;
  }
  d=GCD(d,B[i+1]-B[i]);
}

for(ll i=0;i<B.size()-1;i++) {
  count-=((B[i+1]-B[i])/d-1);
  if(count<0) {
    cout<<"No"<<endl;
    return 0;
  }
}

cout<<"Yes"<<endl;
}