tj

#include <bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
int a,b,c;
c = n%10;
b = (n/10)%10;
a = n/100;
if(aaa+bbb+ccc==n){
cout<<"YES";
}else{
cout<<"NO";
}
return 0;
}