#include<bits/stdc++.h>
using namespace std;

int A[5000 + 8], B[5000 + 8], C[5000 + 8];

int main()
{
    string a, b;
    cin >> a >> b;

    for(int i = 0; i < a.size(); i++)
    {
        int x = a[a.size() - 1 - i] - '0';
        A[i] = x;
    }

    for(int i = 0; i < b.size(); i++)
    {
        int x = b[b.size() - 1 - i] - '0';
        B[i] = x;
    }

    int next = 0, lastid = max(b.size(), a.size());
    for(int i = 0; i < lastid; i++)
    {
        int x = A[i] + B[i] + next;
        next = 0;
        if(x >= 10)
        {
            x -= 10;
            next = 1;
        }
        C[i] = x;
    }
    if(next)
    {
        lastid++;
        C[max(a.size(), b.size())] = 1;
    }

    for(int i = lastid - 1; i >= 0; i--)
        cout << C[i];
    cout << '\n';
}