#include <bits/stdc++.h>

using namespace std;

int main(int argc, char **argv) {
	char buf[64];
	fgets(buf, sizeof(buf), stdin);
	int a, b;
	sscanf(buf, "%d %d", &a, &b);

	printf("%d\n", (a + (a * b / 100)));
	return 0;
}