#include<bits/stdc++.h>
#define ll long long
using namespace std;

int main() {
	ll a,b,n;
	cin>>n>>a>>b;
	for(ll i=n/(a+b)+1;i>=1;i--){
		if(i*(a+b)<=n){
			cout<<i;
			return 0;
		}
	}
}