#include<iostream> |
using namespace std; |
int main(){ |
int n, u, d; |
int distance; |
int time ; |
while (cin>>n>>u>>d && n != 0){ |
distance = n; |
time = 0; |
while (distance > 0){ |
distance -= u; |
time += 1; |
if (distance > 0){ |
distance += d; |
time += 1; |
} |
} |
cout<< time <<endl; |
} |
} |