水仙花数

#include<bits/stdc++.h>
using namespace std;
int main(){
//freopen("d.in","r",stdin);
//freopen("d.out","w",stdout);
int n;
scanf("%d",&n);
int a,b,c;
a=n/100;
b=n%100/10;
c=n%10;
if(aaa+bbb+ccc==n){
printf("YES");
}else{
printf("NO");
}
return 0;
}