#include<bits/stdc++.h> using namespace std; int main(){ int a,b,sum,n=0,d,e=0; cin>>a>>b; sum=a+b; while(sum>0){ sum=sum/10; n++; } int c[n-1]; sum=a+b; for(int i=0;i<n;i++){ d=sum%10; c[i]=d; sum=sum/10; } for(int i=0;i<n;i++){ if(c[i]!=c[n-1-i]) e++; } cout<<a+b<<endl; if(e==0) cout<<"Yes"; else cout<<"No"; return 0; }