#include <bits/stdc++.h>
#include <cassert>
using namespace std;
using ll = long long;
using ull = unsigned long long;
using ld = long double;
using pi = pair<int, int>;
using pl = pair<ll, ll>;
using pd = pair<double, double>;
using pld = pair<ld, ld>;


int main()
{
    ifstream cin("adunare.in");
    ofstream cout("adunare.out");

    int a, b;
    cin >> a >> b;

    auto Sum = [&](auto &Self, const int depth) -> int
    {
        if (depth == 0)
        {
            return a + b;
        }

        return Self(Self, depth - 1);
    };

    cout << Sum(Sum, 1);
}