#include <iostream>
#include <cmath>

int main(int argc, char *argv[]) {
	int price = 0;
	int tax = 0;
	std::cin >> price;
	std::cin >> tax;

	double payment = std::floor((price * (100 + tax)) / 100.0);
	std::cout << payment << std::endl;
	return 0;	
}