include <iostream>

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;

}