#include<bits/stdc++.h>
using namespace std;
string s1,s2;
int a[500],b[500],c[500];
int main(){
    cin>>s1>>s2;
     
     
    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'; 
    }
     
    int len=max(s2.size(),s1.size());
     
    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: laichenxu
	Language: C++
	Result: Accepted
	Time:17 ms
	Memory:2084 kb
****************************************************************/