#include <stdio.h>

int main(void)
{
	unsigned long d, p;

	do {
		scanf("%lu", &d);
	} while (d < 1 || d > 10000000);

	do {
		scanf("%lu", &p);
	} while (p < 0 || p > 100);

	printf("%lu", d + (unsigned long)(d * p / 100));

	return 0;
}