#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(t);
    return C;
}

int main(){
    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 j = b.size() - 1; j >= 0; j--) B.push_back(b[j] - '0');

    vector<int> C = add(A, B);

    for (int i = C.size() - 1; i >= 0; i--)
        cout<<C[i];
    return 0;
}