#include <bits/stdc++.h>
int main() {
  long long a, b, c;
  std::cin >> a >> b >> c;
  std::cout << a << b << c;
  if ((c - a - b) * (c - a - b) / 4.0 - a * b > 0) {
    std::cout << "Yes" << std::endl;
  } else {
    std::cout << "No" << std::endl;
  }
  return 0;
}
