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

#include <iostream>
#include <queue>
#include <map>
#define ll long long 
using namespace std;
ll n, m;
map<ll, ll>mp;
int main()
{
	cin >> n >> m;
	vector<ll>x(n + 1, 0);
	for (int i = 1; i <= n; ++i)cin >> x[i];
	int i = 1;
	ll elo = 0, db = 0,s=0;
	while (i <= n)
	{
		
		s = x[i];
		mp[x[i]]++;
		++i;
		
		while (i<=n &&x[i-1]<x[i] && !mp[x[i]] && s + x[i] <= m)
		{
			mp[x[i]]++;
			db++;
			s += x[i];
			i++;
		}
		
		
		while (i<=n &&x[i] < x[i-1] && !mp[x[i]] && s + x[i] <= m)
		{
			
			db++;
			s += x[i];
		
			i++;
		}
		
		mp.clear();
	}
	cout << db;
	return 0;
}
/*
* 12 16
1 3 5 4 2 6 8 7 6 5 3 4
*/

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