#include<iostream>
#include<vector>

using namespace std;

vector<int> add(vector<int> &a, vector<int> &b){
    vector<int> c;
    int t = 0;
    if(b.size() > a.size()) return add(b, a);

    for(int i = 0; i < a.size() ; i ++ ){
        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;
}

#include<iostream>
#include<vector>

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(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;
}