#include "bits/stdc++.h"
using namespace std;
#define int long long
#define rep(i, n) for (int i = 0; i < n; i++)
#define rep1(j, n) for (int j = 0; j < n; j++)
#define rep2(t, n) for (int t = 0; t < n; t++)
signed main() {
  int p;
  cin >> p;
  for (int i = 1; i < p; i++) {
    int t = i * i;
    if (t >= p)
      continue;
    int h = p - t;
    int g = sqrt(h);
    if (sqrt(h) == g) {
      cout << "Yes" << endl;
      return 0;
    }
  }
  cout << "No" << endl;
}