include<bits/stdc++.h>

using namespace std;

const int N = 1e6; long long a[N];

int main(){ long long n,k,p, sum=0, c=0; cin >> n >> k >> p; for(long long i=1; i<=n; i++)cin >> a[i]; for(long long i=1; i<=n; i++){ sum += (k -a[i]); if(sum <= p && sum >= -p) c++; } cout << c; }