题解

#include<bits/stdc++.h>
using namespace std;

int main()
{
	int a,b,c,s;
	cin>>s;
	
		a = s%10;
		b = (s%100)/10;
		c = s/100;
		if(a*a*a + b*b*b + c*c*c == s)
		{
			cout<<"YES";
		}else{
			cout<<"NO"; 
		}
	
	return 0;
}