#define _CRT_SECURE_NO_WARNINGS
#pragma GCC Optimize("Ofast")
#include <iostream>
#include <vector>
#include <set>
#include <chrono>
#include <string>
#include <time.h>
#include <unordered_set>
#include <cmath>
#include <map>
#include <queue>
#include <unordered_map>
#include <algorithm>
#include <fstream>
#include <sstream>
#include <cstddef>
#include <cstdio>
#include <iostream>
#include <memory>
#include <stdexcept>
#include <string>
#include <array>
using namespace std;

#define vi vector<int>
#define vec vector

void solution1(istream& in, ostream& out) {
    int a, b;
    in >> a >> b;
    out << a + b * 2;
}

void solution2(istream& in, ostream& out) {
    int a, b;
    in >> a >> b;
    out << a * 2 + b;
}

int juje_solution(int a, int b, void solution(istream& in, ostream& out)) {
    stringstream in, out;
    in << a << " " << b << "\n";
    in.flush();
    solution(in, out);
    int ans;
    out.flush();
    out >> ans;
    return ans;
}

pair<int, int> juje_solutions(int a, int b) {
    return { juje_solution(a, b, solution1), juje_solution(a, b, solution2) };
}

int32_t main() {
    auto x = juje_solutions(10, 12);
    cout << x.first << " " << x.second << "\n";
}