ABC_200_B.cpp

#include <iostream>
using namespace std;

int main() {
	long long n, k;
	cin >> n >> k;

	while (k--)
	{
		if (n % 200 == 0)
		{
			n /= 200;
		}
		else
		{
			n *= 1000;
			n += 200;
		}
	}

	cout << n << endl;
}