#include <iostream>

using namespace std;

int main() {

	// input like
	// 125 5.5 
	// compute amount earned at 5.5% interest,
	// depositing $125 each year, for 10 years
	// deposit money at beginning of year

	// get input
	int deposit, years;
	double rate, total;
	cin >> deposit >> rate;

	// initialize
	years = 0;
	total = 0;

	while ( years < 10  )   {
		// compute deposit and interest
		total = (total + deposit) * (1.0 + rate / 100.0);
		years++;
	}

	cout << total;
	return 0;
}