#include <iostream>
using namespace std;
 
int main() {
    int n, k;
    cin >> n >> k;
 
    int arr[n];
    for(int i = 0; i < n; i++) {
        cin >> arr[i];
    }
 
    int maxlength = 0;
 
    for(int i = 0; i < n; i++) {
        int sum = 0;
        for(int j = i; j < n; j++) {
            sum += arr[j];
 
            if(sum <= k) {
                maxlength = max(maxlength, j - i + 1);
            } else {
                break; 
            }
        }
    }
 
    cout << maxlength << endl;
    return 0;
}
 

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5 1 
2 1 4 2 1