// Online C++ compiler to run C++ program online
#include <iostream>
 
using namespace std;
 
int main() {
    // Write C++ code here
    long long n, b, d, count=0, wasted = 0;
    cin >> n >> b >> d;
 
    for(int i=0; i<n; i ++){
        long long a;
        cin >> a;
        if(a < b){
            count += a;
        }
        if(count > d){
            wasted ++; 
            count -= a;
        }
    }
 
    cout << wasted;
    return 0;
}

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