include

using namespace std; bool shuixian(short a) {

bool shui=false;
int b=0,c=0,d=0;
b=a%10;
c=(a/10)%10;
d=a/100;
if(b*b*b+c*c*c+d*d*d==a)shui=true;
return shui;

} bool sanwai(short a){

return a>999||a<100?false:true;

} int main() {

int a;
cin>>a;
if(shuixian(a)&&sanwai(a))cout<<"YES";
else cout<<"NO";
return 0;

}