Untitled

#include <iostream>
#include <cmath>
using namespace std;

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

}