#include <iostream>
#include <math.h>

using namespace std;

int main(){
    long long P;
    cin >> P;
    for (int i = 1;i*i <= P;i++){
        long long jj = P - i*i;
        long long j = sqrt(jj);
        if (j * j == jj){
            cout << "Yes" << endl;
            return 0;
        }
    }
    cout << "No" << endl;
    return 0;
}