#include "bits/stdc++.h"
#pragma GCC optimize("Ofast")
#pragma GCC optimize("-O2")
using namespace std;
using ll = long long;
using ld = long double;
int dx[] = {1, -1, 0, 0, -1, -1, 1, 1};
int dy[] = {0, 0, 1, -1, -1, 1, -1, 1};
const int N = 2E5 + 5, M = 2E6 + 10, MOD = 1E9 + 7, OO = 0x3f3f3f3f;
ll n, x, t, d[N], pref[N], ans, sum;
int main() {
ios_base::sync_with_stdio(0), cin.tie(0);
cin >> n >> x >> t;
for (int i = 1; i <= n; ++i)
cin >> d[i], pref[i] = d[i] + pref[i - 1];
pref[n + 1] = pref[n] + x;
for (int i = 0; i <= n; ++i)
if (pref[i] + x >= t && pref[i] < t) ans++;
if (pref[n + 1] >= t) return cout << ans, 0;
sum = t / pref[n + 1];
sum *= pref[n + 1];
if(sum >= t) ans++;
for (int i = 0; i <= n; ++i) {
if (sum + pref[i] + x >= t
&& sum + pref[i] < t) ans++;
}
cout << ans;
return 0;
}
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