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

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int N = sc.nextInt();
        int X = sc.nextInt();
        int[] L = new int[N];

        int sum = 0;
        int bn = 1;
        
        for(int i = 0; i<N; i++){
            L[i]= sc.nextInt();       
        }

        for(int j = 0; j<N; j++){
            sum += L[j];

            if(sum <= X){
                bn++;
            }
                
        }

        System.out.println(bn);

    }
}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz