#include <bits/stdc++.h>
using namespace std;
using ill = int long long;
#define rep(i, n) for (ill i = 0; i < (n); i++)
#define all(s) s.begin(), s.end()
using inp = pair<int, int>;
using vecb = vector<bool>;
using vecb2 = vector<vecb>;

int main()
{
    int s, f;
    cin >> s >> f;
    int n = f;
    int cnt = 1;
    while (s >= f)
    {
        f = n + f;
        cnt++;
    }
    cout << cnt << endl;
}