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#include<iostream>
#include<vector>
#include<string>
using namespace std;
#define fio cin.tie(0);ios_base::sync_with_stdio(0);
int ans[5003];
int a[5003];
int b[5003];
int main()
{
    fio;
    string astr,bstr;
    cin>>astr>>bstr;
    int starter;
    if(astr.length()>bstr.length()){starter=astr.length();}
    else{starter=bstr.length();}

    for(int i=starter;i>starter-astr.length();i--)
    {
        a[i]=astr[astr.length()-1-(starter-i)]-48;
    }
    for(int i=starter;i>starter-bstr.length();i--)
    {
        b[i]=bstr[bstr.length()-1-(starter-i)]-48;
    }

    
    
    for(int i=starter;i>0;i--)
    {
        if(a[i]+b[i]+ans[i]<10)
        {
            ans[i]+=a[i]+b[i];
        }
        else
        {
            ans[i]+=a[i]+b[i]-10;
            ans[i-1]=1;
        }
    }

    for(int i=0;i<4;i++)
    {
        
    }

    if(ans[0]==1){cout<<1;}
    for(int i=1;i<=starter;i++)
    {
        cout<<ans[i];
    }

    return 0;
}