#include<iostream>
#include<string>
#include<algorithm>
using namespace std;
int main()
{
    int a, b; cin >> a >> b;
    int c = a + b;
    cout << c << endl;
    string str_c = to_string(c); 
    string new_str_c = str_c;
    reverse(str_c.begin(), str_c.end());
    if (str_c == new_str_c) { cout << "Yes"; }
    else { cout << "No"; }
    return 0;
}