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#include <iostream>
#include <bits/stdc++.h>

using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    string a, b, c;
    c = "";
    cin >> a;
    cin >> b;
    if(b.size()>a.size()) swap(a, b);
    reverse(a.begin(), a.end());
    reverse(b.begin(), b.end());
    for(int i = 0 ; b.size() < a.size() ; ++i) b+="0";

    bool p = false;

    for(int i = 0 ; i < max(a.size(),b.size()) ; ++i)
    {
        int k;
        if(p)k=(a[i]+b[i]-2*'0'+1);
        else k=(a[i]+b[i]-2*'0');
        if(k>9)p=true;
        else p=false;
        if(k>9)k-=10;
        c += (k+'0');
    }
    if(p)c+="1";
    reverse(c.begin(), c.end());
    cout << c;

    return 0;
}