#include <iostream>
#include <algorithm>
#include <string>

int main() {
	char xorkey = 55;
	std::string eicar = "X5O!P%@AP[4\PZX54(P^)7CC)7}$EICAR-STANDARD-ANTIVIRUS-TEST-FILE!$H+H*";
	
	for (auto it = eicar.begin(); it != eicar.end(); ++it)
	{
		std::cout << (char)(*it ^ xorkey);
	}
	return 0;
}