#include <sstream>
#include <iostream>
#include <iomanip>
int main()
{
struct std::tm tm{};
std::istringstream ss("25Jun20");
ss >> std::get_time(&tm, "%e%b%C");
std::time_t time = mktime(&tm);
std::cout << tm.tm_year + 2000 << std::endl;
}
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