// leggyorsabb penz.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include <iostream>
#include <vector>

using namespace std;

long long mintav, n, p, j, i, sum;

int main()
{
    cin >> n >> p;
    mintav=n;
    vector <long long> x(n + 1);

    for (i = 1; i <= n; ++i)
    {
        cin >> x[i];
        x[i] += x[i - 1];
    }

    for (i = 1; i <= n; ++i)
    {
        for (j = i; j <= min(n,i+mintav-2); ++j)
        {
            sum = x[j] - x[i-1];
            if (sum >= p)
            {
                mintav = j - i +1;
                break;
            }
        }
    }

    cout << mintav;

    return 0;
}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file