#include <bits/stdc++.h>

#include <atcoder/mincostflow>
#include <atcoder/modint>

using namespace atcoder;
using namespace std;
#define REP(i, m, n) for (int64_t i = (int64_t)(m); i < (int64_t)(n); i++)
#define rep(i, n) REP(i, 0, n)
#define RREP(i, m, n) for (int64_t i = (int64_t)(m - 1); i >= (int64_t)(n); i--)
#define rrep(i, n) RREP(i, n, 0)
#define all(v) v.begin(), v.end()
using vi = vector<int64_t>;
using vvi = vector<vi>;
using vb = vector<bool>;
using vvb = vector<vb>;
using vc = vector<char>;
using vvc = vector<vc>;
using vs = vector<string>;
using vvs = vector<vs>;
using vd = vector<long double>;
using vvd = vector<vd>;
using pii = pair<int64_t, int64_t>;
using tii = tuple<int64_t, int64_t, int64_t>;
using vp = vector<pii>;
using vvp = vector<vp>;
using vt = vector<tii>;
using vvt = vector<vt>;
using mint = modint;
using vm = vector<mint>;
using vvm = vector<vm>;
using mii = map<int64_t, int64_t>;
using pdi = pair<long double, int64_t>;
using tdi = tuple<long double, int64_t, int64_t>;
const int64_t INF = 2e18;
const vp dxy = {{0, -1}, {-1, 0}, {0, 1}, {1, 0}};

template <typename T>
bool chmax(T &a, const T &b) {
  if (a < b) {
    a = b;
    return true;
  }
  return false;
}

template <typename T>
bool chmin(T &a, const T &b) {
  if (a > b) {
    a = b;
    return true;
  }
  return false;
}

int64_t to_int(char c) { return c - 'A'; }

int64_t n, x, y;
vi r;
int64_t dist_sum;
int64_t target_dist;

int64_t dist_sum_without(int64_t i) { return dist_sum - 2 * r[i]; }

bool check_inner(int64_t i) {
  int64_t d = dist_sum_without(i);
  if (target_dist >= r[i])
    return (r[i] + d) >= (target_dist + (r[i] + d) - 1) / (r[i] + d);
  else
    return (r[i] - d <= 0 || target_dist >= (r[i] - d) * (r[i] - d));
}

bool check() {
  rep(i, n) {
    if (check_inner(i)) return true;
  }

  return false;
}

int main() {
  cin >> n >> x >> y;
  r.resize(n);
  rep(i, n) cin >> r[i];

  dist_sum = 0;
  for (auto x : r) dist_sum += 2 * x;

  target_dist = x * x + y * y;

  if (n == 1) {
    if (r[0] * r[0] == target_dist)
      cout << "Yes" << endl;
    else
      cout << "No" << endl;
    return 0;
  }

  if (check())
    cout << "Yes" << endl;
  else
    cout << "No" << endl;
}