// iostream is too mainstream
#include <cstdio>
// bitch please
#include <iostream>
#include <vector>
#include <set>
#include <map>
#include <string>
#include <queue>
#include <stack>
#include <algorithm>
#include <iomanip>
#define dibs reserve
#define OVER9000 1234567890
#define patkan 9
#define tisic 47
#define soclose 10e-7
#define ALL_THE(CAKE,LIE) for(auto LIE =CAKE.begin(); LIE != CAKE.end(); LIE++)
#define chocolate win
#define ff first
#define ss second
#define abs(x) ((x < 0)?-(x):(x))
// mylittlepony
using namespace std;

int main() {
    cin.sync_with_stdio(0);
    int N;
    cin >> N;
    for(int i =1; i*i <= N; i++) {
    	int x =sqrt(N-i*i);
    	if(x*x == N-i*i) {cout << "Yes\n"; return 0;}}
    cout << "No\n";
	return 0;}
        
// look at my code
// my code is amazing