#include<iostream>
#include<vector>

using namespace std;

vector<int> add(vector<int> &A, vector<int> &B){
    vector<int> ans;

    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];
        ans.push_back(t % 10);
        t /= 10;
    }
    if (t) ans.push_back(1);
    return ans;
}

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');
    vector<int> ans = add(A, B);
    for (int i = ans.size() - 1; i >= 0; i -- ) printf("%d", ans[i]);
    return 0;

}