题解

#include <iostream>
using namespace std;
int main(){
int n,a,b,c;
cin>>n;
a=n/100;
b=n/10%10;
c=n%10;
if(n==aaa+bbb+ccc){

cout<<"YES";

}
if(n!=aaa+bbb+ccc){
cout<<"NO";

}

return 0;

}