#include <iostream>
#include <ctime>
using namespace std;
 
int main() {
	tm date = { 0, 0, 18, 19, 5, 109, 0, 0, 0 };
	tm gregorian = { 0, 0, 0, 15, 9, (1582 - 1900), 0, 0, 0};
 
    std::time_t th = std::mktime(&date); 
    std::time_t tl = std::mktime(&gregorian); 
    if (th==-1 || tl==-1) {
    	std::cout<<"At least one of the date couldn't be converted"<<std::endl;
    }
    else {
 		double aux = std::difftime(th, tl);
		std::cout << aux<< " "<< aux/3600.0/24.0/365.25 <<std::endl; 
		std::cout << (aux>=0.0 ? "H>=L":"H<L") << std::endl;
    }
	return 0;
}

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