#include <bits/stdc++.h>
using namespace std;
int main(){
	int a,b;
	cin>>a>>b;
	int n=a+b;
	int m=n;
	cout<<n<<endl;
	int yushu=0;
	int sum=0;
     while(n!=0) {   // 当 sum 不等于0 的时候 执行循环体
         yushu =  n%10;
        sum= sum*10 +yushu;
		 n/=10;   // sum = sum/10;
	 }
	 if(m==sum){
		cout<<"Yes";
	 }else {
		cout<<"No";
	 }

	return 0;
}

#include <bits/stdc++.h>
using namespace std;
int gw,sw,bw;
int main(){    
     int a,b,sum=0;
     cin>>a>>b; 
     sum= a+b   ;
     cout<<sum<<endl  ;
     gw= sum%10;  sum/=10 ;  
     sw= sum%10;  sum/=10;
     bw = sum;
     
     if( a+b>=100){
     	  if(gw==bw){
     	  	cout<<"Yes";
		   }else {
		   	cout<< "No";
		   }
	 }else {
	 	if(gw == sw ) {
	 		cout<<"Yes";
		 }else {
		 	cout<<"No";
		 }
	 }
     
	return 0;
}