#include <iostream>
#include <chrono>
using namespace std;

int main() {
	std::chrono::milliseconds a(189);
    std::chrono::milliseconds b(89);
    auto a_durch_b = a/b;
    std::cout<<"erg: "<<a.count()<<", "<<a_durch_b<<"\n";
	// your code goes here
	return 0;
}