#include <bits/stdc++.h>
#include <cassert>

using namespace std;

fstream f ("adunare.in", ios::in);
fstream g ("adunare.out", ios::out);

typedef long long ll;

ll add(ll a, ll b)
{
    return a + b;
}

int main()
{
    ll a, b;
    assert(f >> a >> b);
    assert(g << add(a, b));

    return 0;
}