题解

#include<bits/stdc++.h>
#define ll long long                                                                  //防抄袭标记
#define MAXN 100005
#define maxn 1000005
#define MAXM 10000005
#define maxm 100000005
using namespace std;
int n;
int a[5];
int main(){
	cin>>n;
	int m = n;
	a[3] = n%10;
	n/=10;
	a[2] = n%10;
	n/=10;
	a[1] = n%10;
	n/=10;
	if(pow(a[1],3)+pow(a[2],3)+pow(a[3],3) == m){
		cout<<"YES";
	}
	else cout<<"NO";
	return 0;
}