#pragma GCC optimize("O3,Ofast")
#pragma GCC target("avx,avx2,fma")
#pragma GCC optimization ("unroll-loops")
#include <bits/stdc++.h>
using namespace std;
int n;
int main()
{
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    //freopen("main.inp","r",stdin);
    //freopen("main.out","w",stdout);
    cin>>n;
    for(int i=1;i<=sqrt(n);i++) {
        int j=n-i*i,c=sqrt(j);
        if(c*c==j) {
            cout<<"Yes";
            return 0;
        }
    }
    cout<<"No";
    return 0;
}