#include <algorithm>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <vector>
#define int long long
#define endl '\n'
using namespace std;

vector<int> add(vector<int> &A, vector<int> &B)
{
    vector<int> C;
    int t = 0;

    for (int i = 0; i < A.size() || i < B.size(); i++)
    {
        if (i < A.size())
        {
            t += A[i];
        }
        if (i < B.size())
        {
            t += B[i];
        }
        C.push_back(t % 10);
        t /= 10;
    }
    if (t)
    {
        C.push_back(t);
    }
    return C;
}

signed main(void)
{
    std::ios::sync_with_stdio(false);

    string a, b;
    cin >> a >> b;

    vector<int> A, B;
    for (int i = a.size() - 1; i >= 0; i--)
    {
        A.push_back(a[i] - '0');
    }
    for (int i = b.size() - 1; i >= 0; i--)
    {
        B.push_back(b[i] - '0');
    }

    vector<int> C = add(A, B);
    for (int i = C.size() - 1; i >= 0; i--)
    {
        cout << C[i];
    }
    cout << endl;
    return 0;
}

#include <algorithm>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <vector>
#define int long long
#define endl '\n'
using namespace std;

vector<int> operator+(vector<int> &A, vector<int> &B)
{
    vector<int> C;
    int t = 0;

    for (int i = 0; i < A.size() || i < B.size(); i++)
    {
        if (i < A.size())
        {
            t += A[i];
        }
        if (i < B.size())
        {
            t += B[i];
        }
        C.push_back(t % 10);
        t /= 10;
    }
    if (t)
    {
        C.push_back(t);
    }
    return C;
}

signed main(void)
{
    std::ios::sync_with_stdio(false);

    string a, b;
    cin >> a >> b;

    vector<int> A, B;
    for (int i = a.size() - 1; i >= 0; i--)
    {
        A.push_back(a[i] - '0');
    }
    for (int i = b.size() - 1; i >= 0; i--)
    {
        B.push_back(b[i] - '0');
    }

    vector<int> C = A + B;
    for (int i = C.size() - 1; i >= 0; i--)
    {
        cout << C[i];
    }
    cout << endl;
    return 0;
}