A

#include <bits/stdc++.h>

using namespace std;

#define ll     long long
#define _test   int _TEST; cin>>_TEST; while(_TEST--)
#define ff     first
#define pb     push_back

int main()
{
    ll int n, h, x;
    cin>>n>>h>>x;

    vector<ll int> a(n);
    for(auto &e: a)
      cin>>e;

    ll int ans = 0;
    int tmp = 0;

    for(auto e: a)
    {
        tmp++;
        if(e >= x-h)
        {
            ans = tmp;
            break;
        }
    }

    cout<<ans<<"\n";
}