#include <bits/stdc++.h>
using namespace std;
int main() {
  int i, j, k;
  int n, a, b;
  cin >> n >> a >> b;
  int res1 = 2000000000, res2 = 2000000000;
  if (n >= 2 * b) {
    res1 = 1;
    int cnta = 4;
    cnta -= (n - 2 * b) / a;
    while (cnta > 0) {
      res1++;
      cnta -= n / a;
    }
  }
  res2 = 2;
  int cnta = 4;
  cnta -= 2 * ((n - b) / a);
  while (cnta > 0) {
    res2++;
    cnta -= n / a;
  }
  cout << min(res1, res2) << endl;
}
