#include <bits/stdc++.h>
using namespace std;
using i64 = long long;
#define rep(i,s,e) for(i64 (i) = (s);(i) < (e);(i)++)
#define all(x) x.begin(),x.end()
#define STRINGIFY(n) #n
#define TOSTRING(n) STRINGIFY(n)
#define PREFIX "#" TOSTRING(__LINE__) "| "
#define debug(x) \
{ \
  std::cout << PREFIX << #x << " = " << x << std::endl; \
}
std::ostream& output_indent(std::ostream& os, int ind) {
  for(int i = 0; i < ind; i++) os << " ";
  return os;
}
template<class S, class T> std::ostream& operator<<(std::ostream& os, const std::pair<S, T>& p);
template<class T> std::ostream& operator<<(std::ostream& os, const std::vector<T>& v);
template<class S, class T> std::ostream& operator<<(std::ostream& os, const std::pair<S, T>& p) {
  return (os << "(" << p.first << ", " << p.second << ")");
}
template<class T> std::ostream& operator<<(std::ostream& os, const std::vector<T>& v) {
  os << "[";
  for(int i = 0;i < v.size();i++) os << v[i] << ", ";
  return (os << "]");
}
template<class T>
static inline std::vector<T> ndvec(size_t&& n, T val) { return std::vector<T>(n, std::forward<T>(val)); }
template<class... Tail>
static inline auto ndvec(size_t&& n, Tail&&... tail) {
  return std::vector<decltype(ndvec(std::forward<Tail>(tail)...))>(n, ndvec(std::forward<Tail>(tail)...));
}

i64 gcd(i64 a, i64 b) {
  if(b == 0) return a;
  return gcd(b, a % b);
}

int main() {
  i64 N;
  cin >> N;
  vector<i64> A;
  i64 cnt = 0;
  rep(i,0,N) {
    i64 a;
    cin >> a;
    if(a > 0) {
      A.push_back(a);
    }
    else {
      cnt++;
    }
  }
  if(A.size() <= 1) {
    cout << "Yes" << endl;
    return 0;
  }

  sort(all(A));

  i64 G = A[1] - A[0];
  i64 zerod = 0;
  rep(i,1,A.size()) {
    G = gcd(G, A[i] - A[i - 1]);
    if(A[i] - A[i - 1] == 0){
      zerod = 1;
    }
  }
  i64 sum = 0;
  if(zerod) {
  if(A.front() == A.back()) {
    cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
  return 0;
  }

  rep(i,1,A.size()) {
    i64 a = A[i];
    i64 b = A[i - 1];
    i64 c = (a - b) / G - 1;
    sum += c;
  }

  if(sum <= cnt) {
    cout << "Yes" << endl;
  }
  else {
    cout << "No" << endl;
  }
}