# include <ctime >
# include <iostream >
#include <sstream>

using namespace std;

void print_time()
{
    stringstream s;
    time_t t = time(0);
    struct tm now;
    localtime_s(&now, &t);
    s
        << now.tm_hour << ':' << now.tm_min << ':'
        << now.tm_sec << endl;
    cout << s.str() << endl;
}

int main(int argc, char **argv) {
    print_time();
    getchar(); getchar();
    return 0;
}