#include "bits/stdc++.h"
#ifdef DEBUG
#include "PrettyDebug.hpp"
#else
#define debug(...) [](auto...){}(__VA_ARGS__)
#define debuga(...) [](auto...){}(__VA_ARGS__)
#endif
#define For(i,a,b) for(int i=a;i<=b;i++)
#define Rev(i,a,b) for(int i=a;i>=b;i--)
#define Fin(file) freopen(file,"r",stdin)
#define Fout(file) freopen(file,"w",stdout)
using namespace std; typedef long long ll;
constexpr int N=3e5+5;
int n,A,B; priority_queue<int> q;
signed main(){
    atexit([](){cerr<<"Time = "<<clock()<<" ms"<<endl;});
    cin>>n>>A>>B; int ans=0,cur=0;
    For(i,1,n){
        int x; cin>>x;
        int b=(x+B-1)/B;
        int a=((x-1)%B+1+A-1)/A;
        cur+=b-a-1; q.push(a+1); ans++;
        while(cur<-1) ans--,cur+=q.top(),q.pop();
    }
    cout<<ans<<'\n';
    return 0;
}

// START TYPING IF YOU DON'T KNOW WHAT TO DO
// STOP TYPING IF YOU DON'T KNOW WHAT YOU'RE DOING
// CONTINUE, NON-STOPPING, FOR CHARLIEVINNIE

// Started Coding On: January 25 Thu, 11 : 38 : 54