Untitled

#include <iostream>
using namespace std;

int main() {
	setlocale(LC_ALL, "Russian");
	int a, b;
	cin >> a >> b;
	if ((100 * b) / a == 0) {
		cout << 0;
	}
	if ((100 * b) / a >= 1 and (100 * b) / a <= 10) {
		cout << 1;
	}
	if ((100 * b) / a >= 11 and (100 * b) / a <= 50) {
		cout << 2;
	}
	if ((100 * b) / a >= 51 and (100 * b) / a <= 70) {
		cout << 3;
	}
	if ((100 * b) / a >= 71 and (100 * b) / a <= 84) {
		cout << 4;
	}
	if ((100 * b) / a >= 85 and (100 * b) / a <= 100) {
		cout << 5;
	}
}