K

#include<cmath>
#include <iostream>
using namespace std;

int main()
{
    int n, sr;
    bool flag;
    while (cin >> n)
    {
        flag = 0;
        sr = pow(2 * n - 3, 0.5);
        for (int i = 1; i <= sr; i++)
        {
            int k = pow(2 * n - i * (i + 1), 0.5);
            if (k && k * (k + 1) + i * (i + 1) == 2 * n)
            {
                flag = 1;
                break;
            }
        }
        if (flag) cout << "YES" << endl;
        else cout << "NO" << endl;
    }
    return 0;
}