#include <bits/stdc++.h>
using namespace std;

int main() {
    string a, b;
    cin >> a >> b;
    if(b[0] == '-') cout << stoi(a) + stoi(b) << endl;
    else {
        string ans = a + b;
        cout << stoi(ans) << endl;
        return 0;
    }
}