#include<stdio.h>
#include<string>
#include<vector>
#include<algorithm>
#include<iostream>

using namespace std;

int main()
{
    int a[100000],x,y,n;
    cin>>n>>x>>y;
    for(int i=0;i<n;i++)
        cin>>a[i];
    sort(a,a+n);
    int g=x-y,mun=0,min=0;
    while(a[n-1]>min)
    {
        a[n-1]-=g;
        mun++;
        min+=y;
        sort(a,a+n);
    }
    cout<<mun<<endl;
    return 0;
}
