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

int main(void) {
    int p;
    cin >> p;
    for(int i=0;i*i<p;++i){
        int js=p-i*i;
        int jc=sqrt(js);
        if(jc*jc==js){
            cout << "Yes" << endl;
            return 0;
        }
    }
    cout << "No" << endl;
    return 0;
}