Untitled

#include <iostream>

using namespace std;
int main()
{
    int a, b, b1;
    cin >> a >> b;
    b = (b * 100) / a;
    if (1 <= b && b <= 10) {
        cout << 1;
    }
    if (11 <= b && b <= 50) {
        cout << 2;
    }
    if (51 <= b && b <= 70) {
        cout << 3;
    }
    if (71 <= b && b <= 84) {
        cout << 4;
    }
    if (85 <= b && b <= 100) {
        cout << 5;
    }
    if (b==0) {
        cout << 0;
    }

}