#include <bits/stdc++.h>

#define ll long long
#define ul unsigned long long
#define ld long double
#define vll(v) vector<ll>v
//#define vll(v,n) vector<ll>v(n);
#define mll(m) map<ll,ll>m;
#define sll(s) set<ll>s;
#define iv(v) for(auto &i:v) cin >> i;
#define ov(v) for(auto &i:v) cout << i << " ";
#define Bismillah ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);

using namespace std;

void solve() {
    ll n, x;
    cin >> n >> x;
    vector<ll>v(n);
    iv(v)
    set<ll>s;
    for (int j=0; j<n; j++) {
        ll t=x;
        ll ans=0;
        for (int i=j; i<n; i++) {
            if (v[i]<=t) {
                ans++; t-=v[i];
            }
            else break;
        }
        s.insert(ans);
    }

    cout << *s.rbegin() << endl;
}

int main() {
    Bismillah
    ll t=1;
//    cin >> t;
    while (t--) {
        solve();
    }
    return 0;
}