
import java.util.Scanner;

/**
 * @author author
 *
 */
public class Main {

  /**
   * @param args
   */
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = Integer.parseInt(sc.next());
    long x = Long.parseLong(sc.next());
    int d = 0;

    int[] numbers = new int[n];
    for (int i = 0; i < n; i++) {
      numbers[i] = Integer.parseInt(sc.next());
    }


    int resultNum = 1;
    for (int i = 0; i < n; i++) {
      d += numbers[i];
      if (d <= x) {
        resultNum++;
      } else {
        break;
      }
    }
    System.out.println(resultNum);
  }
}

/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