#include <bits/stdc++.h>
using namespace std;
int main(){
    int a,b,s,h,t,o;
    cin>>a>>b;
    s=a+b;
    h=s/100;
    t=s/10%10;
    o=s%10;
    (char)h;
    (char)t;
    (char)o;
    if(h==o){
        cout<<s<<endl<<"Yes";
    }if(h!=o){
        cout<<s<<endl<<"No";
    }
    return 0;
}