OI-codes/Hydro/system_test/6/6.cpp

#include <bits/stdc++.h>

using namespace std;

int main() {
    freopen("a+b.in", "r", stdin);
    freopen("a+b.out", "w", stdout);
    int a, b;
    cin >> a >> b;
    cout << a + b << endl;
    return 0;
}