import java.util.Scanner;
public class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    int[] c = new int[a];
    int d = 0;
    int counter = 1;
    for(int i = 0;i < c.length;i++){
      c[i] = sc.nextInt();
    }
    for(int j = 0;j < c.length;j++){
      d += c[j];
      if(b >= d){
        counter++;
      }
    }
    System.out.println(counter);
  }
}
/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