
import java.util.Scanner;

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];
        for (int i = 0 ; i < n ; i++) {
            l[i] = sc.nextInt();
        }
        int[] d = new int[n + 1];
        for (int i = 1 ; i < n + 1 ; i++ ) {
            d[i] = d[i - 1] + l[i - 1];
            if (d[i] > x) {
                System.out.println(i);
                return;
            }
        }
        System.out.println(n + 1);
    }

}

/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