#include<iostream>
#include<string>
#include<vector>
using namespace std;

vector<int> A, B;

vector<int> add(vector<int> &A, vector<int> &B)
{
    vector<int> C;
    int t = 0;
    //在数组中个位下标是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 > 0)
        C.push_back(t);
    return C;
}

int main()
{
    string a,b;
    cin >> a >> b;//12345 (5是个位) 要存成54321
    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];
    return 0;
}