挑战最没用题解！

#include <algorithm>
#include <bitset>
#include <complex>
#include <deque>
#include <exception>
#include <fstream>
#include <functional>
#include <iomanip>
#include <ios>
#include <iosfwd>
#include <iostream>
#include <istream>
#include <iterator>
#include <limits>
#include <list>
#include <locale>
#include <map>
#include <memory>
#include <new>
#include <numeric>
#include <ostream>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <stdexcept>
#include <streambuf>
#include <string>
#include <typeinfo>
#include <utility>
#include <valarray>
#include <vector>
#include <array>
#include <atomic>
#include <chrono>
#include <condition_variable>
#include <forward_list>
#include <future>
#include <initializer_list>
#include <mutex>
#include <random>
#include <ratio>
#include <regex>
#include <scoped_allocator>
#include <system_error>
#include <thread>
#include <tuple>
#include <typeindex>
#include <type_traits>
#include <unordered_map>
#include <unordered_set>
#include <shared_mutex>
#include <any>
#include <charconv>
#include <filesystem>
#include <optional>
#include <memory_resource>
#include <string_view>
#include <variant>
#include <bit>
#include <version>
// 这里感谢@ZDZL-复仇者乄-天之神 =）的帖子https://www.acgo.cn/discuss/rest/49528
using namespace std;
#define i int
#define ll long long
#define l long
#define s short
#define str string
#define c char
#define d double
#define f float
#define fo for
#define r return
int main(){
    ll a,b;
    cin >> a >> b;
    cout << a + b;
    r 0;
}