#include <functional>
#include <algorithm>
#include <iostream>
#include <iomanip>
#include <cstring>
#include <string>
#include <vector>
#include <random>
#include <bitset>
#include <queue>
#include <cmath>
#include <stack>
#include <set>
#include <map>
typedef long long ll;
using namespace std;
const ll MOD = 1000000007LL;

int main() {
    cin.sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);

    string a, b;
    cin >> a >> b;

    ll A = 0;
    for (int i = a.size() - 1; i >= 0; i--) {
        if (a[i] == '-') {
            A = -A;
        } else {
            A *= 10LL;
            A += a[i] - '0';
        }
    }

    ll B = 0;
    for (int i = b.size() - 1; i >= 0; i--) {
        if (b[i] == '-') {
            B = -B;
        } else {
            B *= 10LL;
            B += b[i] - '0';
        }
    }

    if (b[0] == '-') {
        cout << a + b << endl;
    } else {
        cout << A + B << '\n';
    }

    return 0;
}