#include <cstdio>
#include <cmath>

int main(void)
{
	int k, s;

	scanf("%d%d", &k, &s);

	double per = k * (1.0 / 100.0);
	double tmp = 1.0 - per;
	int ans = ceil(s * (1.0 / tmp));

	printf("%d\n", ans);
}