#include<bits/stdc++.h>
using namespace std;
string s1,s2;
int a[500],b[500],c[500];
int main(){
   cin>>s1>>s2;
   int len=max(s1.size(),s2.size());
     for(int i=0;i<s1.size();i++){
     	a[s1.size()-1-i]=s1[i]-'0'; 
     }
     for(int i=0;i<s2.size();i++){
     	b[s2.size()-1-i]=s2[i]-'0'; 
     }
     for(int i=0;i<len;i++){
   	  c[i]=a[i]+b[i];

     }
    for(int i=0;i<len;i++){
		 if(c[i]>=10){
		 	c[i]=c[i]%10;
		 	c[i+1]=c[i+1]+1;
		 }
     }
     if(c[len]!=0)len++;
     for(int i=len-1;i>=0;i--){
     	cout<<c[i];
     }
	return 0;
}

/**************************************************************
	Problem: 1268
	User: duyahan
	Language: C++
	Result: Accepted
	Time:16 ms
	Memory:2084 kb
****************************************************************/