#include <bits/stdc++.h>
using namespace std;

int main() {
  int p;
  cin >> p;
  for (int i = 0; i <= (int)10e4; i++) {
    int remain = p - i * i;
    int j = sqrt(remain);
    if (remain > 0 && j * j == remain) {
      cout << "Yes" << '\n';
      return 0;
    }
  }
  cout << "No" << '\n';
  return 0;
}