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

#include <iostream>
#include <queue>
#include <algorithm>
#define ll long long 
using namespace std;

ll n, p, maxi = 0;
int main()
{
	cin >> n >> p;
	vector<ll>x(n + 1);
	for (int i = 1; i <= n; ++i)
	{
		cin >> x[i];
		if (x[i] >= p)
		{
			cout << "1";
			return 0;
		}
	}
	
	ll mintav = n;
	for (int i = 1; i <= n; ++i)
	{
		ll sum = x[i];
		for (int j = i - 1; j > i - mintav + 1; --j)
		{
			if (j > 0)
			{
				sum += x[j];
				if (sum >= p)
				{
					mintav = i - j + 1;
					break;
				}

			}
			else break;
		}
	}
	cout << mintav;

   return 0;
}

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

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//   4. Use the Error List window to view errors
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//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file