#include <bits/stdc++.h>
#include <ext/pb_ds/assoc_container.hpp>
#include <ext/pb_ds/tree_policy.hpp>
using namespace std;
using namespace __gnu_pbds;
#define ordered_set tree<int, null_type,less_equal<int>, rb_tree_tag,tree_order_statistics_node_update>
#define ll long long
#define double long double
#define medal ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define fi first
#define sec second
#define endl '\n'
signed main(){
medal
int n;
cin>>n;
ordered_set ms;
int a[n+1];
for(int i=1; i<=n; i++){
cin>>a[i];
}
int p; cin>>p;
for(int i=1; i<=n; i++){
a[i]-=p;
}
ll ans = 0;
ll pref = 0;
ms.insert(0);
for(int i=1; i<=n; i++){
pref += a[i];
int cnt = ms.order_of_key(pref+1);
ans += cnt;
ms.insert(pref);
}
cout<<ans;
}
