#include<iostream>
#include<vector>

using namespace std;

const int N = 1e6+10;

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(1);
    return C;
}

int main()
{
    string a,b;
    vector<int> A,B;

    cin>>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');

    auto C = add(A,B);

    for (int i = C.size()-1 ; i >= 0; i--)  printf("%d",C[i]);
    return 0;
}