include <bits/stdc++.h>

using namespace std; long long n; bool HH(long long k) {long long s=1; if(k<6) return false; for(int i=2;i<=trunc(sqrt(k));i++) for(int i=4;i<=trunc(sqrt(k));i++) if(k%i==0)if(k/i!=i) s=s+i+k/i;else s=s+1; ; if(s==k) return true; return false; } int main() {cin>>n;if(HH(n)) cout<<"YES";else cout<<"NO"; return 0; }