/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
		Scanner sc=new Scanner(System.in);
		int n=sc.nextInt();
		int b[]=new int[n];
		
		int k=sc.nextInt();
		
		for(int i=0;i<n;i++)
		b[i]=sc.nextInt();
		
		int ans=0;
		Map<Integer,Integer> m=new HashMap<>();
		m.put(0,-1);
		int sum=0;
		int maxlength=Integer.MIN_VALUE;
		for(int i=0;i<n;i++)
		{
			sum+=b[i];
			int cpl=sum-k;
			
			if(m.containsKey(cpl))
			{
				int length=i-m.get(cpl);
				if(length>maxlength)
				{
					ans=1;
					maxlength=Math.max(maxlength,length);
				}
				else if(length==maxlength)
				ans++;
			}
			// else
			m.putIfAbsent(sum,i);
			
			
		}
		System.out.println(ans);
		
	}
}