#include <iostream>
#include <algorithm>
#include <iomanip>
#include <vector>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <tuple>
#include <cmath>
#include <numeric>
#include <functional>
#include <cassert>

#define debug_value(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << #x << "=" << x << endl;
#define debug(x) cerr << "line" << __LINE__ << ":<" << __func__ << ">:" << x << endl;

template<class T> inline bool chmax(T& a, T b) { if (a < b) { a = b; return 1; } return 0; }
template<class T> inline bool chmin(T& a, T b) { if (a > b) { a = b; return 1; } return 0; }

using namespace std;
typedef long long ll;

template<typename T>
vector<vector<T>> vec2d(int n, int m, T v){
    return vector<vector<T>>(n, vector<T>(m, v));
}

template<typename T>
vector<vector<vector<T>>> vec3d(int n, int m, int k, T v){
    return vector<vector<vector<T>>>(n, vector<vector<T>>(m, vector<T>(k, v)));
}

template<typename T>
void print_vector(vector<T> v, char delimiter=' '){
    if(v.empty()) {
        cout << endl;
        return;
    }
    for(int i = 0; i+1 < v.size(); i++) cout << v[i] << delimiter;
    cout << v.back() << endl;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout << setprecision(10) << fixed;
    string a, b; cin >> a >> b;
    if(a.size() > b.size()) swap(a, b);
    int diff = b.size()-a.size();
    a = string(diff, '0')+a;
    reverse(a.begin(), a.end());
    reverse(b.begin(), b.end());
    int n = a.size();
    vector<int> ans;
    int carry = 0;
    for(int i = 0; i < n; i++){
        int x = carry + (a[i]-'0') + (b[i]-'0');
        ans.push_back(x%10);
        if(x >= 10) carry = 1;
        else carry = 0;
    }
    if(carry > 0) ans.push_back(carry);
    reverse(ans.begin(), ans.end());
    for(int x: ans) cout << x;
    cout << endl;
}