简单题

#include<iostream>
using namespace std;
int main(){
    int a;
    cin>>a;
    m=a/100;
    n=(a%100)/10;
    k=(a%100)%10;
    if(m**3+n**3+k**3==a){
        cout<<"YES"
    }
    else{
        cout<<"NO
    }
	return 0;
}