/* 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 arr[]=new int[n];
        for(int i=0;i<n;i++){
            arr[i]=sc.nextInt();
        }
        System.out.println("Enter k value");
        int k=sc.nextInt();    
        Ans(arr,k);
    }
    public static void Ans(int arr[],int k){
       int n=arr.length;
       int left=0;
       int right=0;
       int sum=0;
       int ans=0;
       for(right=0;right<n;right++){
          sum=sum+arr[right];
          while(sum>k){
            sum=sum-arr[left];
            left++;
          }
          ans=ans+(right-left+1);
        
       }
       System.out.println(ans);
	}
}