#include <iostream>
#include <chrono>
using namespace std;
int main() {
using clock = std::chrono::system_clock;
clock::time_point nowp = clock::now();
clock::time_point end = nowp + std::chrono::seconds(10);
time_t nowt = clock::to_time_t ( nowp );
time_t endt = clock::to_time_t ( end);
std::cout << " " << ctime(&nowt) << "\n";
std::cout << ctime(&endt) << std::endl;
return 0;
}
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