AC

#include <iostream>
#include<cmath>
using namespace std;

int main() {
	
	int n;
    cin >> n;
    int c=n%100%10,b=n%100/10,a=n/100;
    if(pow(a,3)+pow(b,3)+pow(c,3)==n){
        cout<<"YES";
    }else{
        cout<<"NO";
    }

	return 0;
}

肥肠的煎蛋