using namespace std;
int main()
{
int HP;
cin >> HP;
int normal;
cin >> normal;
int buffer;
cin >> buffer;
if (HP <= normal)
{
cout << 1;
return 0;
}
else if (HP <= buffer)
{
cout << 2;
return 0;
}
if (2 * normal >= buffer)
{
cout << HP%normal ? HP / normal + 1 : HP / normal;
}
else
{
if (!(HP%buffer))
{
cout << HP / buffer * 2;
}
else
{
if (HP%buffer <= normal)
{
cout << HP / buffer * 2 + 1;
}
else
{
cout << HP / buffer * 2 + 2;
}
}
}
system("pause");
return 0;
}